Paul Williams, MS

Presentations 

  Research Presentations -- International

• Williams, P., I. Clarke. Understanding polyethylene wear mechanisms by modeling of debris size distributions. 17th International Conference on Wear of Materials, Las Vegas, 14B-3 ( 4/2009 )

• Williams, P., C. Brown, R. Tsukamoto, T. Nakamura and I. Clarke. Polyethylene wear debris produced in a knee simulator model: effect of crosslinking and counterface material. Proc STLE/ASME Int Joint Trib Conf, San Diego. ( 10/2007 )

  Research Presentations -- National

• Williams, P.A, J.G. Bowsher, T.K. Donaldson, and I.C. Clarke.  The role and influence of carbides in the tribology of metal-on-metal bearings in total hip replacements.  Soc Tribologist & Lubrication Eng Ann Meet, May 16-20, Las Vegas, Nevada. ( 5/2010 )

• Williams, P. A., J. G. Bowsher, and I. C. Clarke.  Understanding polyethylene tribology of total joint replacements from the quantitative analysis of wear debris morphology.  Soc Tribologist & Lubrication Eng Ann Meet, May 16-20, Las Vegas, Nevada. ( 5/2010 )

• Williams, P., I. Clarke, T Donaldson. Failure rate analysis of femoral stems from the MAUDE database. Trans 55th Ann Meet Ortho Res Soc, Las Vegas, pp. 2049 ( 2/2009 )

• Williams, P., C. Brown, R. Tsukamoto, T. Nakamura, I. Clarke. Polyethylene wear debris produced in a knee simulator model: effect of crosslinking and counterface material. Trans 55th Ann Meet Ortho Res Soc, Las Vegas, pp. 2329 ( 2/2009 )

• Williams, P., R. Tsukamoto and I. Clarke. Wear debris from sequentially crosslinked and crosslinked PE in a knee simulator model. Trans 54th Ann Meet Ortho Res Soc, San Francisco, pp. 218. ( 3/2008 )

• Williams, Brown, Tsukamoto, Shoji, Nakamura, Clarke. "Effect of Crosslinking and Femoral Material on Polyethylene Wear Debris in a Knee Simulator Model." Soc for Biomat 2007 Ann Meet. Chicago, Illinois ( 4/2007 )

• Paul Williams. "Polyethylene debris from knee simulator studies." 7th Annual Mammoth Lakes Ortho Symposium. Mammoth Lakes, California ( 9/2005 )

• Williams PA, Clarke IC, Richardson H, Green DD. "Ceramic debris morphology from alumina and alumina composite hip simulator study of THR under microseparation conditions." 30th Annual Meeting of the Society for Biomaterials. Memphis, Tennesse ( 4/2005 )

• Williams PA, Clarke IC, Yamamoto K, Masaoka T, Oonishi H . "Highly Cross-Linked Polyethylenes: Improved Wear or Paradox?." ASME/STLE International Joint Tribology Conference. Long Beach, California ( 10/2004 )

  Poster Presentation

• Williams and Clarke. "A unified approach for evaluation of UHMWPE performance in a hip simulator using wear volume and debris size distribution: effect of fabrication method." Soc for Biomat 2007 Ann Meet. Chicago, Illinois ( 4/2007 )

• Williams and Clarke. "Submicron and micron sized particle can be represented as a composite of two distributions." Soc for Biomat 2007 Ann Meet. Chicago, Illinios ( 4/2007 )

• McKenzie, Williams, Green, Clarke. "Can we trust hip simulator predictions: ceramic-on-ceramic micro-separation wear model?." Soc for Biomat 2007 Ann Meet. Chicago, Illinios ( 4/2007 )

• McKenizie, Williams, Green, Clarke. "Reliability of Ceramic-on-Ceramic Wear Estimates: A Laboratory Hip Simulator Wear Model with Micro-Separation." 53rd Ann Meet Ortho Res Soc. San Diego, CA ( 2/2007 )

• Williams and Clarke. "A unified approach for evaluation of UHMWPE performance in a hip simulator using wear volume an debris size distribution: effect of fabrication method." 53rd Ann Meet Ortho Res Soc. San Diego, CA ( 2/2007 )

• Williams, Bowsher, Donaldson, Clarke. "Wear particle morphology from 'severe' wear challenge to 36mm mechanically enhanced crosslinked polyethylene hip liners." 52nd Annual Meeting of the Orthopaedic Research Society. Chicago, Illinois ( 3/2006 )

• Williams PA, Clarke IC, Good V, Lindou E, Schroeder D. "Wear debris size from hip simulator affected beneficially by molded UHMWPE process." 30th Annual Meeting of the Society for Biomaterials. Memphis, Tennesse ( 4/2005 )