Yang-Tse Cheng, Ph.D.

 

 

Professor of Materials Engineering

Participating Faculty, NSF/UK IGERT Program on Engineered Bioactive Interfaces and Devices (http://igert.engr.uky.edu)

Participating Faculty, Kentucky-Argonne Battery Manufacturing R&D Center

Faculty Member, UK Center for Manufacturing (http://www.mfg.uky.edu/)

Faculty Member, UK Center for Advanced Materials (http://www.as.uky.edu/academics/departments_programs/PhysicsAstronomy/PhysicsAstronomy/FacultyResearch/Pages/CAM.aspx)

 

Department of Chemical and Materials Engineering

University of Kentucky

177 FPAT

Lexington, KY 40506-0046, USA

ycheng@engr.uky.edu

Phone: 859-323-4191; Fax: 859-323-1929

 

 

Education History

Physics, Peking University, 1978-1980

B.S., Physics and Mathematics (with Honor), Caltech, 1982

M.S., Applied Physics, Caltech, 1983

Ph.D., Applied Physics, Caltech, 1987

Thesis title: “Ion-beam mixing and the formation of amorphous alloys”

Thesis advisors: W. L. Johnson and M.-A. Nicolet

 

Work History

General Motors R&D Center

Senior Research Scientist, 1987-1992

Staff Research Scientist, 1992-2001

Senior Staff Research Scientist, 2001-2004

GM Technical Fellow, 2004-Dec. 2006

Laboratory Group Manager, Engineered Surfaces and Tribology, 1999-2003

Laboratory Group Manager, Engineered Surfaces and Functional Materials, 2003-Dec. 2006

GM Technical Fellow, July 2007-July 2008

 

Adjunct Professor, the Department of Mechanical, Automotive and Materials Engineering, University of Windsor, 2002-present

Guest Professor, Institute of Mechanics, Chinese Academy of Sciences, December 2004-present

Visiting Professor, Division of Engineering, Brown University, 2003-2007

Professor of Industrial Engineering and Materials Engineering, Purdue University, January - May 2007

  

Summary of Research:

Nano- and micro-meter scale properties of materials and their applications: nanoindentation modeling and measurements of mechanical properties; growth, structure, and properties of nanostructured materials (e.g., amorphous materials, nano-composites, epitaxial single crystals, single crystal nanowires); microscopic shape memory and superelastic effects; magnetorheological fluids; superhydrophobic and superhydrophilic surfaces; ion-solid interactions and ion beam modification of materials; automotive applications of new materials and processes, including electrical contacts, hydrogen sensors, metal hydride batteries, lithium batteries, fuel cells, high power-density engines and transmissions, and environmentally friendly machining processes.

  

Honors and Awards

·         Fellow, American Physical Society (2005)

·         John M. Campbell Award, GM R&D Center, “Modeling Micro- and Nano-indentation Measurements” (2005)

·         Charles L. McCuen Award, GM R&D Center, “Hard Coatings for High Power Density Transmission Gears” (2005)

·         R. F. Bunshah Award, American Vacuum Society, for best paper on  “What is indentation hardness?” presented at the International Conference on Metallurgical Coatings and Thin Films (2001)

·         John M. Campbell Award, GM R&D Center, “Synthesis and Theory of Novel Surface-Modified Materials” (1995)

·         Graduate Student Award, Materials Research Society (1987)

 

Professional Activities

·         Member of the American Physical Society (Fellow)

·         Member of the Materials Research Society

·         Member of ASM International

·         Scientific Member, Bohmische Physical Society

·         Chairman (1990-1991), Vice Chairman (1989-1990), Board Member (1989-2001) Michigan Chapter, American Vacuum Society

·         Chairperson (1995), Committee for Technical and Educational Programs, General Motors R&D Center (1994-1995)

·         Member of GM University Relations Team to Caltech (1996-2001)

·         Member of the advisory committee, GM-NSERC-University of Windsor Industrial Research Chair in the Tribology of Lightweight Materials (2002-)

·         National Science Foundation SBIR Review Panels (1999, 2000, 2001, 2002), Career Award Review Panel (2003), NIRT Review Panel (2005), Panel (2006), Panel (2008)

 

·         Symposium co-organizer, “Ion-solid Interactions for Materials Modification and Processing,” Materials Research Society Fall Meeting, Boston, Massachusetts, November 27 – December 1, 1995.

·         Symposium co-organizer, “Mechanical Characterization, Micro mechanical Testing and Modeling,” International Conference on Metallurgical Coatings and Thin Films, San Diego, California, April 30 – May 4, 2001.

·         Symposium co-organizer, “Advances in Surface Engineering – Fundamentals and Applications,” Materials Research Society Fall Meeting, Boston, Massachusetts, November 26-30, 2001.

·         Co-chair of the symposium, “Surface Engineering: Science and Technology II: Surface Modification Technologies,” the Minerals, Metals, and Materials Society (TMS) 131st Annual Meeting and Exhibits, Seattle, Washington, February 17 – 21, 2002.

·         Co-organizer, “Nanostructured Materials for Enhanced Mechanical and Tribological Properties,” American Physical Society March Meeting, Indianapolis, Indiana, March 18-22, 2002

·         Symposium co-organizer, “Mechanical Characterization, Micro mechanical Testing and Modeling,” International Conference on Metallurgical Coatings and Thin Films, San Diego, California, April 22-26, 2002.

·         Symposium co-organizer, “Surface Engineering 2002,” Materials Research Society Fall Meeting, Boston, Massachusetts, December 2-6, 2002.

·         Co-organizer and chair, “Focus Session: Surface Mechanical and Tribological Behavior,” American Physical Society March Meeting, Austin, Texas, March 3-7, 2003.

·         Organizer, “Focus Session: Mechanical Properties of Interfaces and Nanostructured Thin Films,” American Physical Society March Meeting, Austin, Texas, March 3-7, 2003.

·         Symposium co-organizer: “Mechanical Properties and Adhesion,” International Conference on Metallurgical Coatings and Thin Films, San Diego, California on April 28 - May 2, 2003.

·         Symposium co-organizer: “Mechanical Properties and Adhesion,” International Conference on Metallurgical Coatings and Thin Films, San Diego, California on April 18 - 22, 2004.

·         Symposium co-organizer, “Fundamentals of Nanoindentation and Nanotribology III,” Materials Research Society Fall Meeting, Boston, Massachusetts, November 29-December 3, 2004.

·         Symposium co-organizer: “Mechanical Properties and Adhesion,” International Conference on Metallurgical Coatings and Thin Films, San Diego, California on May 2-6, 2005.

·         Symposium co-organizer: “Determining Constitutive Relationships by Instrumented Indentation on Techniques; Modeling Mechanical Properties of Thin Films and Coatings; Fracture, Adhesion, Friction and Wear,”           International Conference on Metallurgical Coatings and Thin Films, San Diego, California on May 1-5, 2006.

 

·         Elected Member-at-Large, Forum on Industrial and Applied Physics (FIAP), American Physical Society (2001-2004)

·         Selection Committee Member (2001), Vice Chair (2002), and Chair (2003) for the George E. Pake Prize and Member of Fellowship Committee (2002, 2003), American Physical Society

·         Member of the Committee on Careers and Professional Development, American Physical Society (2005-2007)

·         Member of the Materials Gateway Task Force, Materials Research Society (2001-2003)

·         Member of the Membership Committee, Materials Research Society (2001-), Vice Chair (2008-)

·         Member of the Print Media Task Force, Materials Research Society (2004)

·         Co-Chair, 2005 Materials Research Society Fall Meeting

·         Volume Organizer, 2008 MRS Bulletin (2006-2008)

·         Principal Editor, Journal of Materials Research (2001-)

·         Vice Chair, ASM Bluegrass Chapter (2009-2010)

 

 

Edited books and Special Journal Volumes

1.      “Ion-Solid Interactions for Materials Modification and Processing,” edited by D. B. Poker, D. Ila, Y.-T. Cheng, L. R. Harriott, T. W. Sigmon, Mat. Res. Soc. Symp. Proc. 396 (Materials Research Society, Pittsburgh, 1996).

2.      “Surface Engineering 2001 – Fundamentals and Applications,” edited by W.-J. Meng, A. Kumar, G. L. Doll,  Y.-T. Cheng, S. Veprek, and Y.-W. Chung, Mat. Res. Soc. Symp. Proc. 697 (Materials Research Society, Pittsburgh, 2002).

3.      “Surface engineering 2002 – Synthesis, characterization, and applications,” edited by A. Kumar, W.-J. Meng, Y.-T. Cheng, J. S. Zabinski, G. L. Doll, and S. Veprek, Mat. Res. Soc. Symp. Proc. 750 (Materials Research Society, Pittsburgh, 2003).

4.      “Fundamentals and applications of instrumented indentation in multidisciplinary research,” edited by Yang-Tse Cheng, Trevor Page, George M. Pharr, Michael V. Swain, and Kathryn J. Wahl, Special Issue, J. Mat. Res. 19 (1) (2004).

5.      “Fundamentals of Nanoindentation and Nanotribology III,” edited by D.F. Bahr, Y-T. Cheng, N. Huber, A.B. Mann, and K.J. Wahl, Mat. Res. Soc. Symp. Proc. 841 (Materials Research Society, Pittsburgh, 2005).

6.      “Focus Issue on Indentation Methods in Advanced Materials Research,” George M. Pharr, Yang-Tse Cheng, Ian M. Hutchings, Mototsugu Sakai, Neville R. Moody, G. Sundararajan, and Michael V. Swain, Special Issue, J. Mat. Res. 24 (1) (2009).

 

Publications

 

Modeling and Measurements of Micro- and Nano-Indentation in Elastic-Plastic Solids, Power-Law Creep Solids, and Viscoelastic Solids

 

1.      “On the initial unloading slope in indentation of elastic-plastic solids by an indenter with an axisymmetric smooth profile,” C.-M. Cheng and Y.-T. Cheng, Appl. Phys. Lett. 71, 2623 (1997).

 

2.      “Analysis of indentation loading curves obtained using conical indenters,” Y.-T. Cheng and C.-M. Cheng, Phil. Mag. Lett. 77, 39 (1998).

 

3.      “Further analysis of indentation loading curves: effects of tip imperfection on mechanical property measurements,” Y.-T. Cheng and C.-M. Cheng, J. Materials Res. 13, 1059 (1998).

 

4.      “A scaling approach to conical indentation in elastic-plastic solids with work-hardening,” Y.-T. Cheng and C.-M. Cheng, J. Appl. Phys. 84, 1284 (1998).

 

5.      “Scaling relationships in conical indentation in elastic-plastic solids with work-hardening,” Y.-T. Cheng and C.-M. Cheng, Mat. Res. Soc. Symp. Proc. 522, 139 (1998).

 

6.      “Effects of sinking-in and piling-up on estimating contact area under load in indentation,” Y.-T. Cheng and C.-M. Cheng, Phil. Mag. Lett. 78, 115 (1998).

 

7.      “Relationships between hardness, elastic modulus, and the work of indentation,” Y.-T. Cheng and C.-M. Cheng, Appl. Phys. Lett. 73, 614 (1998).

 

8.      “Scaling relationships in conical indentation of elastic-perfectly plastic solids,” Y.-T. Cheng and C.-M. Cheng, Int. J. Solids Structures 36, 1231 (1999).

 

9.      “Can stress-strain relationships be determined from indentation curves using conical and pyramidal indenters?” Y.-T. Cheng and C.-M. Cheng, J. Materials Res. Rapid Communication 14, 3493 (1999).

 

10.  “What is indentation hardness?” (invited), Y.-T. Cheng and C.-M. Cheng, Surface and Coatings Technology 133-134, 417 (2000).

 

11.  “Hardness obtained from conical indentation with various cone angles,” Y.-T. Cheng and Z. Li, J. Materials Research 15, 2830 (2000).

 

12.  “Scaling relationships in indentation of power-law creep solids using self-similar indenters,” Y.-T. Cheng and C.-M. Cheng, Phil. Mag. Lett. 81, 9 (2001).

 

13.  “Scaling approach to modeling indentation measurements” (invited), Y.-T. Cheng, Che-Min Cheng, and Zhiyong Li, in “Fundamentals of Nanoindentation and Nanotribology II,” edited by S. P. Baker, R. F. Cook, S. G. Corcoran, and N. R. Moody, Mat. Res. Soc. Symp. Proc. 649, Q1.1. (2001).

 

14.  “On two indentation hardness definitions,” Zhiyong Li, Yang-Tse Cheng, Henry T. Yang, and S. Chandrasekar, Surface and Coatings Technology 154, 124 (2002).

 

15.  “Scaling relationships for indentation measurements,” Y.-T. Cheng, Z. Li, and C.-M. Cheng, Phil. Mag A 82, 1821 (2002).

 

16.  “Determining constitutive models from conical indentation: a sensitivity analysis,” Wes Capehart and Yang-Tse Cheng, J. Mat. Res. 18, 827 (2003)

 

17.  “An energy-based method for analyzing instrumented spherical indentation experiments,” W. Ni, Y.-T. Cheng, C.-M. Cheng, and D. S. Grummon, J. Mat. Res. 19, 149 (2004).

 

18.  “Scaling, dimensional analysis, and indentation measurements” (invited), Y.-T. Cheng and C.-M. Cheng, Materials Science and Engineering Reports: A Review Journal R44, 91 (2004).

 

19.  “Modeling indentation in linear viscoelastic solids,” Y.-T. Cheng and C.-M. Cheng, in Fundamentals of Nanoindentation and Nanotribology III, edited by D. F. Bahr, Y.-T. Cheng, N. Huber, A. B. Mann, and K. J. Wahl, Mat. Res. Soc. Symp. Proc. 841, R11.2.1 (2005).

 

20.  “Modeling conical indentation in homogeneous materials and in hard films on soft substrates,” W. Ni and Y.-T. Cheng, J. Mater. Res. 20, 521 (2005).

 

21.  “Relationships between initial unloading slope, contact depth, and mechanical properties for conical indentation in linear viscoelastic solids,” Y.-T. Cheng and C.-M. Cheng,  J. Mater. Res. 20, 1046 (2005).

 

22.  “Relationships between initial unloading slope, contact depth, and mechanical properties for spherical indentation in linear viscoelastic solids,” Y.-T. Cheng and   C.-M. Cheng, Materials Science and Engineering A 409, 93 (2005).

 

23.  “General relationship between contact stiffness, contact depth, and mechanical properties for indentation in linear viscoelastic solids using axisymmetric indenters of arbitrary profiles,” Yang-Tse Cheng and Che-Min Cheng, Appl. Phys. Lett. 87, 111915 (2005).

 

24.  “Determining the instantaneous modulus of viscoelastic solids using instrumented indentation measurements,” Yang-Tse Cheng, Wangyang Ni, and Che-Min Cheng, J. Mater. Res. 20, 3061 (2005).

 

25.  “Nonlinear analysis of oscillatory indentation in elastic and viscoelastic solids,” Yang-Tse Cheng, Wangyang Ni, and Che-Min Cheng, Physical Review Letters 97, 075506 (2006). Selected for the August 28, 2006 issue of Virtual Journal of Nanoscale Science & Technology (Volume 14, Issue 9).

 

26.  “Influence of indenter tip roundness on hardness behavior in nanoindentation,” Weimin Chen, Min Li, Taihua Zhang, Yang-Tse Cheng, and Che-Min Cheng, Materials Science and Engineering  A445-446, 323 (2007).

 

27.  “Revisit of the two-dimensional indentation deformation of an elastic half-space,” Fuqian Yang and Yang-Tse Cheng, J. Materials Research 24, 1976 (2009).

 

28.  “Influence of contact geometry on hardness behavior in nano-indentation,” Min Li, Weimin Chen, Yang-Tse Cheng, Che-Min Cheng, Vacuum 84, 315 (2010).

 

29.  “Obtaining shear relaxation modulus and creep compliance of linear viscoelastic materials from instrumented indentation using axisymmetric indenters of power-law profiles, Yang-Tse Cheng and Fuqian Yang, J. Materials Research 24, 3013 (2009).

 

Lithium Batteries, Metal-hydride Thin Film Electrodes and Hydrogen Sensors

 

1.      “Preparation and characterization of amorphous and crystalline LaNi5 thin film electrodes,” Yang Li, Y.-T. Cheng, and M. Ahsan Habib, J. Alloys and Compounds 209, 7 (1994).

 

2.      “Electrochemical study of amorphous La-Ni thin film electrodes,” Yang Li and Y.-T. Cheng, in Proceedings of the Symposium on Hydrogen and Metal Hydride Batteries, edited by P. D. Bennett and T. Sakai (The Electrochemical Society, Pennington, 1994), p. 145.

 

3.      “Hydrogen diffusion in palladium thin films,” Yang Li and Y.-T. Cheng, in Proceedings of the Symposium on Hydrogen and Metal Hydride Batteries, edited by P. D. Bennett and T. Sakai (The Electrochemical Society, Pennington, 1994), p. 136.

 

4.      “Amorphous La-Ni thin film electrodes,” Yang Li and Y.-T. Cheng, J. Alloys and Compounds 223, 6 (1995).

 

5.      “Hydrogen diffusion and solubility in Pd thin films,” Yang Li and Y.-T. Cheng, Int. J. Hydrogen Energy 21, 281 (1996).

 

6.      “Preparation and characterization of PdNi thin films for hydrogen detection,'' Y.-T. Cheng, Yang Li, D. J. Lisi, and W. M. Wang, Sensors and Actuators B30, 11 (1996).

 

7.      “Studies of metal hydride electrodes using an electrochemical quartz crystal microbalance,” Yang Li and Y.-T. Cheng, J. Electrochemical Soc. 143, 120 (1996).

 

8.      “The influence of surface mechanics on diffusion induced stresses within spherical nanoparticles,” Y.-T. Cheng and M. W. Verbrugge, J. Appl. Phys. 104, 083521 (2008).

 

9.      “Stress Distribution within Spherical Particles Undergoing Electrochemical Insertion and Extraction,” M. W. Verbrugge and Y.-T. Cheng, The Electrochemical Society (ECS) Transactions 16, 127 (2008).

 

10.  “Evolution of stress within a spherical insertion electrode particle under potentiostatic and galvanostatic operation,” Y.-T. Cheng and M. W. Verbrugge, J. Power Sources 190, 453 (2009).

 

11.  “Stress and Strain-Energy Distributions within Diffusion-Controlled Insertion-Electrode Particles Subjected to Periodic Potential Excitations,”  M. W. Verbrugge and Y.-T. Cheng, J. Electrochem. Soc. 156, A927 (2009).

 

Shape Memory and Superelastic Effects

 

1.      “Recovery of microindents in a nickel-titanium alloy: a ‘self-healing’ effect,” W. Ni, Y.-T. Cheng, D. S. Grummon, Appl. Phys. Lett. 80, 3310 (2002).

 

2.      “Microscopic superelastic behavior of a nickel-titanium alloy under complex loading conditions,” W. Ni, Y.-T. Cheng, D. S. Grummon, Appl. Phys. Lett. 82, 2811 (2003).

 

3.      “Shape recovery and stress-induced martensite in TiNi following indentation and wear loading,” W. Ni, Y.-T. Cheng, D. S. Grummon, J.de Physique IV 112, 1147 (2003).

 

4.      “Microscopic shape memory and superelastic effects under complex loading conditions,” Wangyang Ni, Yang-Tse Cheng, and David S. Grummon, Surface and Coatings Technology 177 –178, 512 (2004).

 

5.      “Indentation stress dependence of the temperature range of microscopic superelastic behavior of nickel-titanium thin films,” Yijun Zhang, Yang-Tse Cheng, and David S. Grummon, J. Appl. Phys. 98, 033505 (2005).

 

6.      “Two-way indent depth recovery in a NiTi shape memory alloy,” Yijun Zhang, Yang-Tse Cheng, and David S. Grummon, Appl. Phys. Lett. 88, 131904 (2006).

 

7.      “Shape memory surfaces,” Yijun Zhang, Yang-Tse Cheng, and David S. Grummon, Appl. Phys. Lett. 89, 041912 (2006).

 

8.      “Microscopic Shape Memory and Superelastic Effects and Their Novel Tribological Applications,” Yang-Tse Cheng, Wangyang Ni, Yijun Zhang, and David S. Grummon, in “IUTAM Symposium on Mechanical Behavior and Micro-Mechanics of Nanostructured Materials, Proceedings of the IUTAM Symposium held in Beijing, China, June 27–30, 2005,” edited by Y. L. Bai, Q. S. Zheng and Y. G. Wei (Springer, 2007).

 

9.      “Finite element modeling of indentation-induced superelastic effect using a three-dimensional constitutive model for shape memory materials with plasticity,” Yijun Zhang, Yang-Tse Cheng, and D. S. Grummon, Journal of Applied Physics 101, 053507 (2007).

 

10.  “Understanding indentation-induced two-way shape memory effect,” Yijun Zhang, Yang-Tse Cheng, and D. S. Grummon, Journal of Materials Research 22, 2851 (2007).

 

11.  “Indentation in shape memory alloys,” Yang-Tse Cheng and David S. Grummon, in Micro and Nano Mechanical Testing of Materials and Devices, edited by Fuqian Yang and James C. M. Li, Springer 2008, pp.71-86.

 

12.  “Indentation-induced two-way shape memory surfaces,” Xueling Fei, Yijun Zhang,  David S. Grummon, and Yang-Tse Cheng, J. Mater. Res. 24, 823 (2009)

 

13.  “Surface Form Memory in NiTi: Energy Density of Constrained Recovery During Indent Replication,” Xueling Fei, C. J. O'Connell, David S. Grummon, and Yang-Tse Cheng, J. of Materials Engineering Performance 18, 538 (2009).

 

14.  “Revealing Triple-Shape Memory Effect by Polymer Bilayers,” Tao Xie, Xingcheng Xiao, Yang-Tse Cheng, Macromol. Rapid Commun. 30, 1823 (2009).

 

Superhydrophobic and Superhydrophilic Surfaces

 

1.      “Is the lotus leaf superhydrophobic?” Y.-T. Cheng and D. E. Rodak, Applied Physics Letters 86, 144101 (2005).

 

2.      “Microscopic observations of condensation of water on lotus leaves,” Y.-T. Cheng, D. E. Rodak, A. Angelopoulos, and T. Gacek, Applied Physics Letters 87, 194112 (2005).

 

3.      “Effects of micro- and nano-structures on the self-cleaning behavior of lotus leaves,” Y.-T. Cheng, D. E. Rodak, C. A. Wong, and C. A. Hayden, Nanotechnology 17, 1359 (2006).

 

4.      “Condensed water on superhydrophobic carbon films,” Xingcheng Xiao, Yang-Tse Cheng, Brian W. Sheldon, and Janet Rankin, Journal of Materials Research 23, 2174 (2008).

 

Engineered Surfaces and Tribology

 

1.      “Wear of thermal spray deposited low carbon steel coatings on aluminum alloys,” A. Edrisy, T. Perry, Y.-T. Cheng, A. T. Alpas, Wear. 250, 1023 (2001).

 

2.      “The effect of humidity on the sliding wear of plasma transfer wire arc thermal sprayed low carbon steel coatings,” A. Edrisy, T. Perry, Y.-T. Cheng, A. T. Alpas, Surf. Coatings Tech. 146, 571 (2001).

 

3.      “Friction anisotropy at Ni(100)/(100) interfaces:   Molecular dynamics studies,” Y. Qi, Y.-T. Cheng, T. Cagin and W. A. Goddard III, Phys. Rev. B 66, 085420 (2002).

 

4.      “Chemical and mechanical properties of ZDDP antiwear films on steel and thermal spray coatings studied by XANES spectroscopy and nanoindentation techniques,” M. A. Nicholls, T. Do, P. R. Norton, G. M. Bancroft, M. Kasrai, T. W. Capehart, Y.-T. Cheng, and T. A. Pery, Tribology Lett. 15, 241 (2003).

 

5.      “Effects of the ratio of hardness to Young’s modulus on the friction and wear behavior of bilayer coatings,” W. Ni, Y.-T. Cheng, M. J. Lukitsch, A. M. Weiner, and L. C. Lev, and D. S. Grummon, Appl. Phys. Lett. 85, 4028 (2004).

 

6.      “Tribological Applications of Shape Memory and Superelastic Effects” (invited), W. Ni, Y.-T. Cheng, and D. S. Grummon, Mater. Res. Soc. Symp. Proc. 843, T4.6.1 (2005).

 

7.      “Zinc-dialkyl-dithiophosphate antiwear films: dependence on contact pressure and sliding speed,” H. Ji, Mark A. Nicholls, Peter R. Norton, M. Kasrai, T. W. Capehart, T. A. Perry, and Y.-T. Cheng, Wear 258, 789 (2005).

 

8.      “Vacuum tribological behavior of the non-hydrogenated diamond-like carbon coatings against aluminum: Effect of running-in in ambient air,” E. Konca, Y.-T. Cheng, A.M. Weiner, J. M. Dasch, A. T. Alpas, Wear 259, 795 (2005).

 

9.      “Novel layered tribological coatings using a superelastic NiTi interlayer,” W. Ni, Y.-T. Cheng, M. Lukitsch, A. M. Weiner, L. C. Lev, and D. S. Grummon, Wear 259,  842 (2005).

 

10.  “Effect of test atmosphere on the tribological behaviour of the non-hydrogenated diamond-like carbon coatings against 319 aluminum alloy and tungsten carbide,”     E. Konca, Y.-T. Cheng, A. M. Weiner, J. M. Dasch, A. T. Alpas, Surface & Coatings Technology 200, 1783 (2005).

 

11.  “Transfer of 319 Al alloy to titanium diboride and titanium nitride based (TiAlN, TiCN, TiN) coatings: effects of sliding speed, temperature and environment,” E. Konca, Y.-T. Cheng, A.M. Weiner, J.M. Dasch, A. Erdemir and A.T. Alpas, Surface and Coatings Technology 200, 2260 (2005).

 

12.  “A comparison of five categories of carbon-based tool coatings for dry drilling of aluminum,” Jean M. Dasch, Carolina C. Ang, Curtis A. Wong, Yang T. Cheng, Anita M. Weiner, Leo C. Lev, and Erkan Konca, Surface and Coatings Technology 200,  2970 (2006).

 

13.  “Elevated temperature tribological behavior of non-hydrogenated diamond-like carbon coatings against 319 aluminum alloy,” E. Konca, Y.-T. Cheng, A.M. Weiner, J.M. Dasch, and A.T. Alpas,   Surface and Coatings Technology 200, 3996 (2006).

 

14.  “The behavior of an elastic–perfectly plastic sinusoidal surface under contact loading,” Y.F. Gao, A.F. Bower, K.-S. Kim, L. Lev, Y.-T. Cheng, Wear 261, 145 (2006).

 

15.  “Dry sliding behaviour of non-hydrogenated DLC coatings against Al, Cu and Ti in ambient air and argon,” E. Konca, Y.-T. Cheng, and A.T. Alpas, Diamond and Related Materials 15, 939 (2006).

 

16.  “Wear resistant self-healing tribological surfaces by using hard coatings on NiTi shape memory alloys,” W. Ni, Y.-T. Cheng, and D. S. Grummon, Surface and Coatings Technology 201, 1053 (2006).

 

17.  “The influence of superelastic NiTi interlayers on tribological properties of CrN hard coatings,” Yijun Zhang, Yang-Tse Cheng, and David S. Grummon, Materials Science and Engineering A 438-440, 710 (2006).

 

18.  “Tribological behavior of diamond-like-carbon (DLC) coatings against aluminum alloys at elevated temperatures,” W. Ni, Y.-T. Cheng, A. M. Weiner, T. A. Perry, Surface and Coatings Technology 201, 3229 (2006).

 

19.  “Sliding wear of non-hydrogenated diamond-like carbon coatings against magnesium,” E. Konca, Y.-T. Cheng, A.T. Alpas, Surface & Coatings Technology 201, 4352 (2006).

 

20.  “A variable temperature mechanical analysis of ZDDP-derived antiwear films formed on 52100 steel,” Gavin Pereira, David Munoz-Paniagua, Andreas Lachenwitzer, Masoud Kasrai, Peter R. Norton, T. Weston Capehart, Thomas A. Perry, and Yang-Tse Cheng, Wear 262, 461 (2007).

 

21.  “Novel tribological systems using shape memory alloys and thin films,” Yijun Zhang, Yang-Tse Cheng, and David S. Grummon, Surface & coatings technology 202, 998 (2007).

 

22.  “The Role of Hydrogen Atmosphere on the Tribological Behavior of Non-Hydrogenated DLC Coatings against Aluminum,” E. Konca, Y.-T. Cheng, A. M. Weiner, J. M. Dasch, A. T. Alpas, Tribology Transactions 50, 178 (2007).

 

23.  “The effect of free-machining elements on dry machining of B319 aluminum alloy,” J.M. Dasch, C.C. Ang, C.A. Wong, R.A. Waldo, D. Chester, Y.T. Cheng, B.R. Powell, A.M. Weiner, and E. Konca, J. Mater. Proc. Tech. 209, 4638 (2009).  

 

Growth, Structure, and Properties of Nanostructured Materials: from Nano-composites to Epitaxial Single Crystals to Single Crystal Nanowires

 

1.      “Tailored Microstructure of Niobium-Niobium Silicides by Physical Vapor Deposition,” R. S. Bhattacharya, A. K. Rai, and M. G. Mendiratta, Y.-T. Cheng, Mat. Res. Soc. Symp. Proc. 194, 71 (1990).

 

2.      “Al-Ge Phase Separation During Vapor Deposition,” C. A. Adams, M. Atzmon, Y.-T. Cheng, and D. J. Srolovitz, Mat. Res. Soc. Symp. Proc. 187, 33 (1990).

 

3.      “Transition From Lateral to Transverse Phase Separation During Film Co-deposition,'' C. D. Adams, M. Atzmon, Y.-T. Cheng, and D. J. Srolovitz,  Appl. Phys. Lett. 59, 2535 (1991).

 

4.      “Epitaxial Growth of a-Fe Films on Si(111) Substrates,” Y.-T. Cheng, Y. L. Chen, M. M. Karmarkar, and W.-J. Meng, Appl. Phys. Lett. 59, 953 (1991).

 

5.      “X-ray Diffraction and Transmission Electron Microscopy Studies of Epitaxial Growth of a-Fe Films on Si(111) Substrates,” Y.-T. Cheng, Y. L. Chen, M. M. Karmarkar, and W.-J. Meng, Mat. Res. Soc. Symp. Proc. 221, 187 (1991).

 

6.      “Epitaxial growth of aluminum nitride on Si(111) by reactive sputtering,” W.-J. Meng, J. Heremans, and Y.-T. Cheng, Appl. Phys. Lett. 59, 2097 (1991).

 

7.      “Phase Separation During Co-deposition of Al-Ge Thin Films,” C. D. Adams, M. Atzmon, Y.-T. Cheng, and D. J. Srolovitz, J. Mater. Res. 7, 653 (1992).

 

8.      “Epitaxial Growth of Double Hexagonal Close-packed Nd on a-Fe(111) Surface,”  Y.-T. Cheng and Y. L. Chen, Appl. Phys. Lett. 60, 1951 (1992).

 

9.      “Ion Channeling Studies of Epitaxial Growth of a-Fe on Hydrogen-terminated Si(111)  Surfaces,” M. M. Karmarkar, K. R. Padamanabhan, Y.-T. Cheng, and Y.-L. Chen, Mat. Res. Soc. Symp. Proc. 237, 423 (1992).

 

10.  “Structural Characterization and Raman Scattering of Epitaxial Aluminum Nitride Thin Films on Si(111),'' W.-J. Meng, T. A. Perry, J. Heremans, Y.-T. Cheng, Mat. Res. Soc. Symp. Proc. 242, 469 (1992).

 

11.  “Epitaxial Growth of Molybdenum on a-Iron (111) Surfaces,” Yen-Lung Chen and Y.-T. Cheng, Materials Letters 15, 192 (1992).

 

12.  “Microstructure and tribological characteristics of e-beam co-deposited Ag/Mo thin film coatings,” S. C. Tung and Y.-T. Cheng, Wear 162-164, 763 (1993). 

 

13.  “Epitaxial Growth of Molybdenum on a-Iron (111) Surfaces Studied by Ion Channeling, X-ray diffraction, and Transmission Electron Microscopy,” Y.-T. Cheng, Yen-Lung Chen, M. M. Karmarkar, and K. R. Padamanabhan, J. Mat. Sci. Letters 12, 467 (1993).

 

14.  “Epitaxial growth of Fe/Mo/Fe(111) and Fe/Cr/Fe(111) on Si(111),” Y.-T. Cheng and Yen-Lung Chen, J. Mater. Res. 8, 1567 (1993).

 

15.  “Formation of twins during epitaxial growth of a-iron films on silicon (111),” Y.-T. Cheng, Yen-Lung Chen, Wen-Jin Meng, and Yang Li, Phys. Rev. Rapid Communications B48, 14729 (1993).

 

16.  “Practical and fundamental studies of nanocrystalline composite thin films,” Y.-T. Cheng, Boqin Qiu, Simon Tung, J. P. Blanchard, and G. Drew, Mat. Res. Soc. Symp. Proc. 356, 875 (1995).

 

17.  “Hardness of thin films of nanocomposites studied by nanoindentation and finite-element analysis,” B. Qiu, Y.-T. Cheng, and J. P. Blanchard, Mat. Res. Soc. Symp. Proc. 400, 305 (1996).

 

18.  “Epitaxial growth of omega-titanium on the (111) surface of alpha iron,” Y.-T. Cheng and Wen-Jin Meng, Physical Review Letters 76, 3999 (1996).

 

19.  “Stress-induced growth of bismuth nanowires,” Yang-Tse Cheng, Anita M. Weiner, Curtis A. Wong, Michael P. Balogh, and Michael J. Lukitsch, Appl. Phys. Lett.  81, 3248 (2002).

 

Amorphous Metals

 

1.      “Amorphous and Crystalline Phase Formation by Ion Mixing of Ru-Zr and Ru-Ti,” Y.-T. Cheng,  W. L. Johnson, and M-A. Nicolet, Mat.  Res. Soc. Symp. Proc.  37, 565  (1984).

 

2.      “Studies on the Rules for Amorphous Phase Formation by Ion Mixing in Metallic Sstems,” Y.-T. Cheng, W. L. Johnson, and M-A. Nicolet, in Advan. Appl. Ion Implantation, SPIE 530, p.134 (1985).

 

3.      “Metallic System with Positive Heats of Mixing Under Ion Beam Irradiation and Rules for Amorphous Phase Formation,” Y.-T. Cheng, K. M. Unruh, M. Van Rossum, M-A. Nicolet, and W. L. Johnson, in Proceedings of the 2nd Workshop on Ion Mixing and Surface Layer Alloying (Sandia Report, SAND85-2465, 1986), p. 52.

 

4.      “Dominant Moving Species in the Formation of Amorphous NiZr by Solid-State Reaction,” Y.-T. Cheng, W. L. Johnson, and M-A. Nicolet,  Appl.  Phys. Lett. 47, 800 (1985).

 

5.      “Dominant Moving Species in Metallic Amorphous Phase Formation by Solid-State Reaction,” Y.-T. Cheng,  M-A. Nicolet, and W. L. Johnson, Mat. Res. Soc. Symp. Proc.   54, 175 (1986). 

 

6.      “Disordered Materials - A Survey of Amorphous Solids” (invited), Y.-T. Cheng and W. L. Johnson, Science 235, 997 (1987).

 

Ion-Solid Interactions

 

1.      “Influence of Chemical Driving Forces in Ion Mixing of Metallic Bilayers,” Y.-T. Cheng,   M. Van  Rossum, M-A. Nicolet, and W. L. Johnson, Appl. Phys. Lett.  45, 185 (1984).

 

2.      “When is Thermodynamics Relevant to Ion-Induced Atomic Rearrangements in Metals?” W. L. Johnson,  Y.-T. Cheng, M. Van Rossum, and M-A. Nicolet, Nuclear Instrum. Methods B7/8, 657 (1985).

 

3.      “Correlation Between Cohesive Energy and Mixing Rate in Ion Mixing of Metallic Bilayers,'' M. Van Rossum, Y.-T. Cheng, M-A. Nicolet, and W. L. Johnson,  Appl. Phys. Lett. 46, 610 (1985).

 

4.      “Correlation Between the Temperature Dependent Ion Mixing and the Cohesive Energy of Metallic Bilayers,” Y.-T. Cheng,  X. A. Zhao,  W. L. Johnson, and M-A. Nicolet, J. Appl. Phys.  60, 2615 (1986).

 

5.      “Studies of A Phenomenological Model of Ion Mixing in Metals,” Y.-T. Cheng, T. W. Workman, M-A. Nicolet, and W. L. Johnson, Mat. Res. Soc. Symp. Proc. 74, 419 (1987).

 

6.      “The Effects of Thermodynamics on Ion Mixing,'' T. Workman, Y.-T. Cheng, W. L. Johnson, and M-A. Nicolet, Appl. Phys. Lett. 50, 1485 (1987).

 

7.      “From Cascade to Spike - A Fractal Geometry Approach,” Y.-T. Cheng,  M-A. Nicolet, and W. L. Johnson, Phys. Rev. Lett. 58, 2083 (1987).

 

8.      “From Cascade to Spike - A Fractal Geometry Approach. II,” Y.-T. Cheng,  Mat. Res. Soc. EA-13, 191 (1987).

 

9.      “Diffusion in Collision Cascades: A Thermodynamic Viewpoint” (invited), Van Rossum and Y.-T. Cheng, Diffusion and Defect Data 57-58, 1 (1988); Ion Implantation 1988, edited by F. H. Wöhlbier (Trans. Tech. Publications, Aedermannsdors, Switzerland, 1988), p.1.

 

10.  “On the Fractal Nature of Collision Cascades” (invited), Y.-T. Cheng, in NATO Advanced Study Institute, Materials Modification by High-fluence Ion Beams, edited by Roger Kelly and M. da Silva (Kluwer, Dordrecht, 1988), p.191.

 

11.  “Effect of Ion Mixing on the Depth Resolution of Sputter Depth Profiling,”             Y.-T. Cheng, A. M. Dow, and B. M. Clemens, Appl. Phys. Lett. 53, 1346 (1988).

 

12.  “Influence of Ion Mixing on the Depth Resolution of Sputter Depth Profiling,”         Y.-T.  Cheng, A. A. Dow, B. M. Clemens, E.-H. Cirlin, J. Vac. Sci. Tech. A7, 1641 (1989).

 

13.  “A Comparison Between High-and Low-energy Ion Mixing,” Y.-T. Cheng, E.-H. Cirlin, B. M. Clemens, and A. A. Dow, Mat. Res. Soc. Symp. Proc. 189 (1989).

 

14.  “Relationships Between Cohesive Energy, Debye Temperature, and the Onset of Temperature-dependent Ion Mixing,” Y.-T. Cheng, Phys. Rev. Rapid Communications B40, 7403 (1989).

 

15.  “Thermodynamic and Fractal Geometric Aspects of Ion-Solid Interactions” (invited), Y.-T. Cheng, Materials Science and Engineering R: Reports (formerly Mat. Sci. Rep.) 5, 45 (1990).

 

16.  “Influence of Ion Mixing, Ion Beam Induced Roughness, and Temperature on the Depth Resolution of Sputter Depth Profiling of Metallic Bilayer Interfaces,” E.-H. Cirlin, Y.-T. Cheng, P. Ireland, Surf. Interface Analysis 15, 337 (1990).

 

17.  “Mass and Geometry Effects on the Anisotropic Transport in Ion Mixing,” G. W. Auner, Y.-T. Cheng, M. H. Alkaisi, and K. R. Padmanabhan, Appl. Phys. Lett. 58, 586 (1991).

 

18.  “Cohesive Energy Effects on Anisotropic Transport in Ion Mixing,” G. W. Auner, Y.-T. Cheng, M. H. Alkaisi, M. M. Karmarkar, and K. R. Padmanabhan, Nuclear Instrum. Methods B59/60, 504 (1991).

 

19.  “Thermodynamic and Ballistic Aspects of Ion Mixing” (invited), Y.-T. Cheng, G. W. Auner, M. H. Alkaisi, K. R. Padmanabhan, and   M. M. Karmarkar, Nuclear Instrum. Methods B59/60, 509 (1991).

 

20.  “The Effects of Elevated Temperature on Sputter Depth Profiles of Silver/Nickel Bilayers,” S. J. Simko, Y.-T. Cheng, and M. C. Militello, J. Vac. Sci. Tech. A9, 1477 (1991).

 

21.  “Similarities and Differences in the Mechanisms of High and Low Energy Ion Mixing” (invited), Y.-T. Cheng, S. J. Simko, M. C. Millitello, G. W. Auner, M. H. Alkaisi, and K. R. Padmanabhan, Mat. Res. Soc. Symp. Proc. 201, 75 (1991).

 

22.  “A Comparison Between High- and Low-energy Ion Mixing at Different Temperatures” (invited), Y.-T. Cheng,  Nucl. Instrum. Methods B64, 38 (1992).

 

23.  “Fundamentals of Ion Beam Mixing” (invited), Y.-T. Cheng, in Beam Processing of Advanced Materials, edited by J. Singh and S. M. Copley (TMS, Warrendale, 1993), p. 469.

 

Other topics

 

1.      “Effect of Added Si on the Resistivity of Co and Ni Films,” S.-J.  Kim, Y.-T. Cheng,  and  M.-A.  Nicolet, in Advanced Processing and Characterization of Semiconductors III, SPIE Vol. 623, 269 (1986).

 

2.      “Corrosion Resistance of Ion Implanted 304L Stainless Steel,” N. L. Lee, G. B. Fisher, and Y.-T. Cheng, in Environmental Degradation of Ion and Laser Beam Treated Surfaces, edited by G. Was and K. S. Grabowski (TMS, Pennsylvania, 1989), p.107.

 

3.      “Concentration-dependent Solid-State Diffusion,” Y.-T. Cheng, Mat. Res. Soc. Symp. Proc. 230, 115 (1992).

 

4.      “Optical measurement of lithium diffusivity in cathode materials: amorphous MoO3 films,” I. C. Halalay, G.-A. Nazri, Y.-T. Cheng, G. L. Eesley, and M. S. Meyer, Power Sources 54, 218 (1995).

 

5.      “Vapor deposited thin gold coatings for high temperature electrical contacts,” Y.-T. Cheng, George Drew, and Bryan Gillispie, in Electrical Contacts -1996, Proc. 42nd IEEE Holm Conference on Electrical Contacts joint with 18th International Conference on Electrical Contacts, p.404.

 

6.      “Giant magnetoresistance and oscillation in epitaxial Fe/Cr(111) multilayers,” Wen-C. Chiang, David V. Baxter, and Y.-T. Cheng, Mat. Res. Soc. Symp. Proc. 384, 353 (1995).

 

7.      “Variable magnetic field magnetic force microscopy of the magnetization reversal in epitaxial iron (1 1 1) thin films,” S. Foss, C. Merton, R. Proksch, G. Skidmore, J. Schmidt, E. D. Dahlberg, T. Pokhil, and Y. -T. Cheng, Journal of Magnetism and Magnetic Materials 190, 60 (1998).

 

8.      Browne, Alan L., Bucknor, Norman K., Cheng, Yang T., Johnson, Nancy L., Lin, William C., Namuduri, Chandra S., Sun, Zongxuan, and Usoro, Patrick, “Mechamatronics: An Automotive Perspective,” paper No. 5388-54, SPIE 11th International Symposium on Smart Structures and Materials, March 14-18, 2004, San Diego, CA.

 

US Patents (issued)

 

1.      “Method of forming silver/molybdenum surface coating material,” S. Tung and  Yang-Tse Cheng, US Patent 5,225,253 (July 6, 1993).

 

2.      “Silver-nickel nano-composite coating for terminals of separable electrical connectors,” Yang-Tse Cheng and George A. Drew, US Patent 5,679,471 (October 21, 1997).

 

3.      “Hydrogen sensor,” Yang-Tse Cheng, Yang Li, D. J. Lisi, S. Gutowski, and A. Poli, US Patent 5,670,115 (September 23, 1997).

 

4.      “Thin film hydrogen sensor,” Yang-Tse Cheng, A. Poli, M. A. Meltser, US Patent 5,886,614 (March 23, 1999).

 

5.      “Low friction metal-ceramic composite coatings for electrical contacts,” Yang-Tse Cheng, George Albert Drew, Bryan A. Gillispie, and Wen-Jin Meng, US Patent 6,007,390 (December 28, 1999).

 

6.      “Low friction electrical terminals,” George Albert Drew, Mark S. Ricketts, Bryan A. Gillispie, Yang-Tse Cheng, Robert A. Suchanek, US Patent 6,254,979 (July 3, 2001).

 

7.      “Electrode and membrane-electrode arrangement for electrochemical cells,” Gayatri Vyas, Swathy Swathirajan, Yang-Tse Cheng, and Youssef M. Mikhail, US Patent 6,521,381 (February 18, 2003).

 

8.      “Releasable fastener system,” Yang-Tse Cheng, Wangyang Ni, and John C. Ulicny, US Patent 6,766,566 (July 27, 2004).

 

9.      “Metallic nanowire and method of making the same,” Anita M. Weiner, Curtis A. Wong, Yang-Tse Cheng, Michael P. Balogh, Michael J. Lukitsch, US Patent 6,841,013 (January 11, 2005).

 

10.  “Metallic nanowire and method of making the same,” Anita M. Weiner, Curtis A. Wong, Yang-Tse Cheng, Michael P. Balogh, Michael J. Lukitsch, US Patent 6,841,235 (January 11, 2005).

 

11.  “Planetary gearset with multi-layer coated sun gear,” Leonid C. Lev, Yang-Tse Cheng, Neil E. Anderson, Anita M. Weiner, and Robert F. Paluch, US patent 6,846,261 (January 25, 2005).

 

12.  “Ultra-low loadings of gold for stainless steel bipolar plates,” Gayatri Vyas, Yang-Tse Cheng, Mahmoud H. Abd Elhamid, and Youssef M. Mikhail, US patent 6,866,958 (March 15, 2005).

 

13.  “Metallic-based adhesion materials,” Y.-T. Cheng, W. Ni, L. C. Lev, M. J. Lukitsch, D. S. Grummon, and Anita M. Weiner, US patent 6,866,730 (March 15, 2005).

 

14.  “Oxidation-resistant magnetorheological fluid,” John C. Ulicny and Yang T. Cheng, US 6,929,757 (August 16, 2005).

 

15.  “Metallic-based adhesion materials,” Y.-T. Cheng, W. Ni, L. C. Lev, M. J. Lukitsch, D. S. Grummon, and Anita M. Weiner, US patent 7,005,195 (February 28, 2006).

 

16.  “Self-healing tribological surfaces,” Y.-T. Cheng, W. Ni, M. J. Lukitsch, A. M. Weiner, and D. S. Grummon, US patent 7,060,140 (June 13, 2006).

 

17.  “Metallic nanowire and method of making the same,” Anita M. Weiner, Curtis A. Wong, Yang-Tse Cheng, Michael P. Balogh, Michael J. Lukitsch, US Patent 7,081,293 (July 25, 2006).

 

18.  “Gear surface treatment procedure,” Leonid C. Lev, Michael J. Lukitsch, Yang-Tse Cheng, Anita M. Weiner, Robert F. Paluch, US patent 7,138,066 (November 21, 2006).

 

19.  “Diamond coated article and method of its production,” Leonid C. Lev, Yang T. Cheng, Michael J. Lukitsch, and Anita M. Weiner, US patent 7,195,817 (March 27, 2007).

 

20.   “Friction stir processing for surface properties,” Yen-Lung Chen, Thomas Arthur Perry, Yang-Tse Cheng, and Anita M. Weiner, US patent 7,225,969 (June 5, 2007).

 

21.  “Roller hemming apparatus and method,” John E. Carsley, Wayne W. Cai, Gary A. Kruger, Paul E. Krajewski, Yang-Tse Cheng, US patent 7,290,423 (November 6, 2007).

 

22.  “CVT belt with chromium nitride coating,” Yucong Wang, Sohail A. Khan, Beizhi Zhou, Reuben Sarkar, Michael J. Lukitsch, Yang-Tse Cheng, Anita M. Weiner, US patent 7,294,077 (November 13, 2007).

 

23.  “Magnetorheological fluid compositions,” Yang-Tse Cheng, John C. Ulicny, Thomas A. Perry, and Mark A. Golden, US patent 7,354,528 (April 8, 2008).

 

24.  “Magnetorheological fluid compositions,” John C. Ulicny, Yang-Tse Cheng, Mark A. Golden, Keith S. Snavely, US patent 7,419,616  (September 2, 2008).

 

25.  “Information storage device,” Jihui; Yang, Dexter D. Snyder, and Yang-Tse Cheng, US patent 7,443,003 (October 28, 2008).

 

26.  “Reconfigurable fixture device and methods of use,” Mark W. Verbrugge, Jihui Yang, Yang T. Cheng, Michael J. Lukitsch, Alan L. Browne, Nilesh D. Mankame, US patent 7,480,975 (January 27, 2009).

 

27.  “Magnetorheological fluid compositions,” Yang-Tse Cheng, John C. Ulicny, Mark A. Golden, and Keith S. Snavely, US patent 7,521,002 (April 21, 2009).

 

28.  “Two-Way Shape Memory Surfaces,” Yijun Zhang, Yang T. Cheng, David S. Grummon, US patent 7,563,334 (July 21, 2009).

 

US Patent Application Publications

 

1.      “Dry machinable aluminum castings,” Carolina C. Ang, Jean M. Dasch, Yang-Tse Cheng, Vadim Rezhets, Bob R. Powell, JR., Robert F. Paluch, US patent application publication 20060021211 (February 2, 2006).

 

2.      “Method of enhancing fuel cell water management,” Yang-Tse Cheng, Anita M. Weiner, Curtis A. Wang, Daniel Rodak, Gayatri Vyas, Maria C. Militello, US patent application publication US 20060040163 (Feb. 23, 2006).

 

3.      “Composite proton exchange membrane and method of making same,” Yang T. Cheng, Michael J. Lukitsch,  William R. Rodgers, Paula D. Fasulo, US patent application publication US patent 20060068257 (March 30, 2006).

 

4.      “Fuel cell water management enhancement method,” Yang-Tse Cheng, Gayatri Vyas, and Mahmoud H. Abd Elhamid, US patent application publication 20060093735 (May 4, 2006).

 

5.      “Hydrophilic surface modification of bipolar plate,” Mahmoud H. Abd Elhamid, Gayatri Vyas,  Yang-Tse Cheng, and Richard H. Blunk, US patent application publication 20060105222 (May 18, 2006).

 

6.      “Method and apparatus for damping vehicle noise,” Yang-Tse Cheng, Thomas Arthur Perry, Mark W. Verbrugge, US patent application publication 20060186589 (August 24, 2006).

 

7.      “Diffusion media, fuel cells, and fuel cell powered systems,” Tao Xie, Chunxin Ji, and Yang-Tse Cheng, US patent application publication 20060240312 (October 26, 2006).

 

8.       “Dissipating friction and heat during machining,” Jean M. Dasch, Yang T. Cheng, Richard Allen Waldo, US patent application publication 20070215253 (September 20, 2007).

 

9.      “Method for forming articles having apertures and articles having substantially reduced residual compressive stress,” Leonid C. Lev, Jon T. Carter, Yang T. Cheng,  Carolina C. Ang, US patent application publication 20070217877 (September 20, 2007).

 

10.  “Dry machining of soft metal-modified aluminum castings with carbon-coated tools,” Carolina C. Ang, Jean M. Dasch, Yang T. Cheng, US patent application publication US2007256763A (November 8, 2007).

 

11.  “Method For Making Super-Hydrophilic And Electrically Conducting Surfaces For Fuel Cell Bipolar Plates,” Daniel E. Rodak, Yang T. Cheng, Mei Cai, Martin S. Ruthkosky; US patent application publication 20080076004 (March 28, 2008).

 

12.  “Lubricant for elevated temperature forming,”  Paul E. Krajewski Yang T. Cheng, US patent application publication 20080185079 (August 7, 2008).

 

13.  “Apparatus with active material surface in contact with rheological fluid and method of enhancing performance thereof,” Mark A. Golden, John C. Ulicny, Yang T. Cheng, US patent application publication 20090032353 (February 5, 2009).

 

14.  “Composite article having adjustable surface morphology and methods of making and using,” David S. Grummon,  Yang T. Cheng,  US patent application publication 20090047489 (February 19, 2009).

 

15.  “MAGNESIUM-TITANIUM SOLID SOLUTION ALLOYS,” Yang T. Cheng, Mark W. Verbrugge, Michael P. Balogh, Daniel E. Rodak, Michael Lukitsch, US patent application publication 20090068357 (March 12, 2009).

 

16.  “Piston Skirt Oil Retention for an Internal Combustion Engine,” F. Shi and Y.-T. Cheng, US patent application publication 20090090325 (April 9, 2009).