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Computational Wear Simulation on Cross-linked Ultra-high Molecular Weight Polyethylene Artificial Hip Joints
Author(s) -
。 现有理论方法将磨损深度确定为滑动距离的函数,
并将,
切运动条件下的磨损作为度量基准计算不同角度下的交叉剪切效应 但尚未考虑接触应力变量对磨损深度的影响,
。 针对以上,
问题 提出了在垂直交叉剪切运动条件下将磨损深度表示为摩擦功函数的方法,
。 该方法利用,
Uhmwpe 摩擦因数与接触压力,
的定量关系计算摩擦因数并确定摩擦功 解决了,
Uhmwpe 磨损交叉剪切效应中滑动距离与接触应力的耦合问题,
。 基于磨损 仿真新模型研究了,
Uhmwpe 直径的交联,
髋关节,
Prosim 并与已有,
。 模拟机试验结果进行了验证,
型可准确计算体积磨损和线性磨损等磨损量以及髋关节载荷方向改变对磨损的影响 结果显示该仿真模,
Zirui Gao,
Feng Liu,
Yao Liu,
Duoduo Jiao,
Hongwei Li
Publication year - 2021
Publication title -
journal of mechanical engineering
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 0.342
H-Index - 50
ISSN - 0577-6686
DOI - 10.3901/jme.2021.21.202
Subject(s) - ultra high molecular weight polyethylene , polyethylene , cross linked polyethylene , materials science , composite material

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