Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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Ceramic-Ceramic Wear of Zirconia/Alumina Composites for the Application of Total Hip Replacement

인공 고관절 골두용 세라믹 복합재료에 대한 세라믹-세라믹 접촉 마멸 특성 분석

  • Lee Kwon-Yong (Bioengineering Research Center, Sejong University) ;
  • Kim Hwan (Dept. of Mechanical Engineering, Sejong University) ;
  • Kim Dae-Jun (Bioengineering Research Center, Sejong University) ;
  • Lee Myong-Hyon (Advanced Material Analysis and Evaluation Team, KICET) ;
  • Seo Won-Seon (Advanced Material Analysis and Evaluation Team, KICET)
  • 이권용 (세종대학교 의공학연구소) ;
  • 김환 (세종대학교 기계공학과) ;
  • 김대준 (세종대학교 의공학연구소) ;
  • 이명현 (요업(세라믹)기술원 신소재분석평가팀) ;
  • 서원선 (요업(세라믹)기술원 신소재분석평가팀)
  • Published : 2005.10.01
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Abstract

The sliding wear behaviors of three different compositions of novel low temperature degradation-free zirconia/alumina (LTD-free Z/A) composites were examined in a ceramic-ceramic contact pair. The wear tests were performed by using a pin-on-disk type wear tester in a linear reciprocal sliding motion with a line contact in both dry and bovine serum lubricated conditions at room temperature. From the results of dry sliding wear tests, Z/A#1((5.3Y, 4.6Nb)-TZP/80 $vol\%Al_2O_3$) showed the best wear resistance among three kinds of LTD-free Z/A composites. For the bovine serum lubricated sliding wear tests, wear was too little to be measured for all kinds of Z/A composites. These novel LTD-free Z/A composites having excellent wear resistance demonstrated a potential as the alternative materials for the ceramic-ceramic contact pairs of femoral head and acetabular liner in total hip replacement.

Keywords

References

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