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首页> 外文会议>World Tribology Congress III vol.1; 20050912-16; Washington,DC(US) >TRIBOLOGICAL INVESTIGATION OF PORCINE ARTICULAR CARTILAGE
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TRIBOLOGICAL INVESTIGATION OF PORCINE ARTICULAR CARTILAGE

机译：猪关节软骨的摩擦学研究

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摘要

This poster examines the tribological properties and effective elastic modulus of porcine articular cartilage plugs. Two methods of obtaining an effective elastic modulus are explored for the different initial material conditions during the indentation loading and unloading. The average values of coefficient of friction varied from 0.04-0.14, but ended with a steady-state average of 0.06. It was validated that increasing pressure during sliding produces an increase in friction coefficient. From a contact model fit to the loading region of the indentation curve, effective elastic modulus had an average value of 300 MPa, which agrees with existing literature. From an examination of the linear portion of the unloading region of the indentation curve, the effective elastic modulus was an average of 8.9 MPa. A preliminary explanation for this is that before loading, a bulk material is present, but pressure effects could evacuate some of the interstitial fluid, leaving in the unloading curve an effective matrix without fluid.
机译：该海报检查了猪关节软骨塞的摩擦学特性和有效弹性模量。对于压痕加载和卸载期间不同的初始材料条件，探索了两种获得有效弹性模量的方法。摩擦系数的平均值在0.04-0.14之间变化，但最终的稳态平均值为0.06。可以证实，滑动过程中压力的增加会导致摩擦系数的增加。根据对压痕曲线加载区域的接触模型拟合，有效弹性模量的平均值为300 MPa，与现有文献一致。从压痕曲线的卸载区域的线性部分的检查，有效弹性模量平均为8.9MPa。对此的初步解释是，在加载之前，存在散装材料，但是压力效应可能会抽空部分间隙流体，从而在卸载曲线中留下了没有流体的有效基质。

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