John Y. Walz, Ph.D.

Dean of the College of Engineering
Professor

Research Areas: Elucidation of colloidal forces in solution as related to colloidal stability, coalescence, adsorption, and transport phenomena; application of total internal reflection microscopy techniques

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University of Kentucky, College of Engineering
Engineering Administration
353 RGAN
Lexington, KY 40506-0503
Phone: 859-257-1687
Fax: 859-323-4922
Email: john.walz@uky.edu


Education

1992 Ph.D., Chemical Engineering, Carnegie Mellon University Advisor: Dennis C. Prieve
Thesis title: Development of the Technique of Total Internal Reflection Microscopy and Measurement of the van der Waals Interaction Energy

1988 M.S., Chemical Engineering, Tulane University

1982 B.S., Chemical Engineering, Tulane University

Professional Experience

2012 – Present Professor and Dean of the College of Engineering
2005- 2012 Professor and Head, Department of Chemical Engineering, Virginia Tech
2002-2005 Chairman, Department of Chemical Engineering, Yale University
2001-2005 Professor, Department of Chemical Engineering, Yale University
1997-2001 Associate Professor, Department of Chemical Engineering, Yale University
1992-1997 Assistant Professor, Department of Chemical Engineering, Tulane University
1988-1992 Teaching Assistant, Department of Chemical Engineering, Carnegie Mellon University
1982-1988 Process Engineer, Shell Oil Company, Norco, Louisiana

Refereed Publications

  • Li, W., Lu, K., Walz, J. Y., Effects of added kaolinite on the strength and porosity of freeze-cast kaolinite-silica nanocomposites. J. Mater. Sci. 47, 6882-6890 (2012).
  • Radiom, M., Robbins, B., Honig, C. D. F., Walz, J. Y., Paul, M. R., Ducker W., Rheology of fluids measured by correlation force spectroscopy. Rev. Sci. Instr. 83, 043908 (2012).
  • Ji, S., Herman, D., Walz, J. Y., Manipulating microparticle interactions using highly-charged nanoparticles. Colloid Surface A 396, 51-62 (2012).
  • Honig, C. D. F., Radiom, M., Robbins, B., Walz, J. Y., Paul, M. R., Ducker, W. A., Correlations between the thermal vibrations of two cantilevers: validation of deterministic analysis via the fluctuation-dissipation theorem. Appl. Phys. Lett 100, 053121 (2012).
  • James, G. K., Walz, J. Y., The hydrodynamic drag force on a microparticle approaching a wall in a nanoparticle dispersion — observation of a separation-dependent effective viscosity. Langmuir, 28, 92-103 (2012).
  • Li, W., Lu, K., Walz, J. Y., Effects of added kaolinite on sintering of freeze-cast kaolinite-silica nanocomposite i. microstructure and phase transformation. J. Am. Ceram. Soc 95, 883-891 (2012).
  • Li, W., Lu, K., Walz, J. Y., Freeze casting of porous materials – a review of critical factors in microstructure evolution. Int. Mater. Rev 57, 37-60 (2012).
  • McKee, C. T., Walz, J. Y., Interaction forces between colloidal particles in a solution of like-charged adsorbing nanoparticles, J. Colloid Interface Sci. 365, 72-80 (2012).
  • Li, Wenle, Lu, K., Walz, J. Y., Formation, structure and properties of freeze-cast kaolinite-silica nanocomposites. J. Am. Ceram. Soc. 94, 1256-1264 (2011).
  • Fazelabdolabadi, B. Walz, J. Y., Van Tassel, P. R., Influence of charged nanoparticles on colloidal forces: a molecular simulation study. J. Phys. Chem. B 113, 13860-13865 (2009).
  • Walz, J. Y., Effects of nanoparticles on forces between colloids in solution, in Nanoscience: Colloidal and Interfacial Aspects, V. Starov, ed., Taylor and Francis, 2009.