Faculty

Department of Natural Sciences and Mathematics

Alexander A. Williams

Associate Professor of Chemistry

PhD Dissertation Topic: “Electrolytic and Spontaneous Spray Deposition of Organic Assisted Cerium Conversion Coatings for the Corrosion Protection of Aluminum Alloys”

MSc. Thesis Topic: “Synthetic Approaches for Intermediates of 1,8-Naphthalene Phthalocyanines”

Dr. Alexander Williams’ Publications and Submissions

1.        J. Stoffer, T. O’Keefe, M. O’Keefe, W. Fahrenholtz, T. Schuman, P. Yu, E. Morris, S. Hayes, A. Williams, A Shahin, B. Rivera and S. Patwardhan, “Environmentally Compliant Coatings Using Non-Chromated Systems,” Contract No. F33615-97-d-5009, Delivery Order #0011, Final Report, (2001).

 2.     J.O. Stoffer, T.J. O'Keefe, M.J. O'Keefe,, T. Schuman, W. Fahrenholtz, S. Hayes, P. Yu, E. Morris, A. Williams, and B. Rivera, and B. Johnson, “Cerium/Water Equilibrium for Precipitation of Cerium Oxide Nanoparticles” Proceedings of the AFOSR Workshop on Nanoscience Approaches to Multifunctional Coatings, August 11-16, 2002, Keystone, CO.

3.        E. L. Morris, J. O. Stoffer, T. J. O’Keefe, M. J. O’Keefe, P. Yu, W. Fahrenholtz, T. Schuman, S. Hayes, A. Williams, B. Rivera, and C. Singleton, “Cerium-Based Corrosion Protection System for Aluminum Alloys”, Tri-Service Corrosion Conference, San Antonio, TX 2002.

 4.      E. L. Morris, J. O. Stoffer, T. J. O’Keefe, M. J. O’Keefe, W. Fahrenholtz, T. Schuman, P. Yu, S. Hayes, A. Williams, B. Rivera, and C. Singleton, “Cerium-Based Corrosion Protection Systems for Aluminum Alloys’” Proceedings of the Tri-Service Corrosion conference, January 2002.

 5.       J.O. Stoffer, T.J. O'Keefe, M.J. O'Keefe,, W. Fahrenholtz, T. Schuman, S. Hayes, P. Yu, E. Morris, A. Williams, and B. Rivera, "Cerium Based Conversion Coatings for Aluminum Alloys" Proc. International Waterborne, High Solids, and Powder Coatings Symposium, February, 85 (2002). Award winning paper

6.     T.O’Keefe, P. Yu, S. Hayes, A. Williams, and M. O’Keefe, “Fundamental Evaluation of the Deposition of Cerium Oxide for Conversion Coating Applications”, Tri-Service Coating Conference 2003, Las Vegas, NV, Nov 2003.

7.     B.Y. Johnson, J. Edington, A. Williams, and M. J. O'Keefe,"Microstructural Characteristics  of Cerium-Based Conversion Coatings Obtained by Different Deposition Methods" Materials Characterization 54(2005) 41-48.

8.     J.O. Stoffer, T.J. O'Keefe, E. Morris, S., Hayes, P. Yu, and A. Williams, Xuan Lin “Additive-Assisted Cerium-Based Electrolytic Coating Process For Corrosion Protection Of Al Alloys”. U.S. Patent 6,818,116.

9.    J.O. Stoffer, T.J. O'Keefe, M. O'Keefe, E. Morris, S., Hayes, P. Yu, and A. Williams, B. Rivera, Xuan Lin “Ce-Based Spontaneous Coating Process For Corrosion Protection Of Al Alloys”. U.S. Patent 7,048,807.

10.   Joe Edington, Ajay Padwal, Alexander Williams, Mathew J. O’Keefe and Thomas J. O’Keefe, “Evaluation of Atmospheric Cold Plasma as a Pretreatment Process for Conversion Coatings on Aluminum Alloys” Accepted in Metal Finishing for September 2005 Issue of Cleaning and Pretreatment.

 11.    B.Y. Johnson, J. Edington, A. Williams, S. Hayes, and M. J. O'Keefe, "TEM and Electron Diffraction Investigations of Nanostructured Cerium Oxide/Hydroxide Deposits obtained by Different Deposition Methods"

12.    A. Williams, J.O. Stoffer, T.J. O'Keefe, and P. Yu, "Electrodeposition of Gelatin Assisted Cerium Conversion Coating", Journal

If you have questions about the Natural Sciences and Mathematics Department, or would like to schedule a tour of the program, please contact Mr. Mark Miller, Chair of the Department of Natural Sciences and Mathematics.