Contact Mechanics of Ultrahigh-Molecular-Weight Polyethylene for Artificial Knee Joint

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概要

• 論文の詳細を見る

• To investigate the wear mechanism of an ultrahigh-molecular-weight polyethylene (UHMWPE) for an artificial knee joint, the pin-on-disk-type wear test and the numerical analysis of contact mechanics of the UHMWPE were performed. In this analysis, to calculate the cyclic deformation of the UHMWPE, a constitutive equation for cyclic plasticity was used. In the initial stage of deformation, the UHMWPE was deformed only plastically ; beyond this stage, however, wear of the UHMWPE progressed rapidly with weight loss. In this initial stage, shear stress and equivalent plastic strain were accumulated by cyclic loading on the contact surface of the UHMWPE and it was expected that the microcracks that create wear particles would be generated on the surface.

• 一般社団法人日本機械学会の論文
• 1995-10-15

著者

• YASUDA KAZUNORI

  Department of Sports Medicine and Joint Reconstruction Surgery, Hokkaido University Graduate School

• Yasuda Kazunori

  Department Of Clinical Biomechanics Hokkaido University.

• FUJIKI Hiroyuki

  Department of Electrical Engineering, Faculty of Engineering, Kanagawa University

• Fujiki Hiroyuki

  Department Of Electrical Engineering Faculty Of Engineering Kanagawa University

• Fujiki Hiroyuki

  Department Of Mechanical Engineering Kitami Institute Of Technology

• ISHIKAWA Hiromasa

  Division of Mechanical Science, Hokkaido University

• Ishikawa Hiromasa

  Department of Mechanical Engineering II, Hokkaido University

• Ishikawa H

  Division Of Mechanical Science Hokkaido University

• Ishikawa Hiromasa

  Department Of Mechanical Engineering Ii Hokkaido University

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