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首页> 外文期刊>Acta biomaterialia >Modeling wear of cast Ti alloys.
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Modeling wear of cast Ti alloys.

机译：铸造钛合金的模型磨损。

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摘要

The wear behavior of Ti-based alloys was analyzed by considering the elastic-plastic fracture of individual alloys in response to the relevant contact stress field. Using the contact stresses as the process driving force, wear was computed as the wear rate or volume loss as a function of hardness and tensile ductility for Ti-based cast alloys containing an alpha, alpha+beta or beta microstructure with or without the intermetallic precipitates. Model predictions indicated that wear of Ti alloys increases with increasing hardness but with decreasing fracture toughness or tensile ductility. The theoretical results are compared with experimental data to elucidate the roles of microstructure in wear and contrasted against those in grindability.
机译：通过考虑各个合金在相关接触应力场下的弹塑性断裂，分析了Ti基合金的磨损行为。使用接触应力作为过程驱动力，将磨损计算为磨损率或体积损失，作为含有α，α+β或β微观结构且有或没有金属间沉淀物的Ti基铸造合金的硬度和拉伸延展性的函数。模型预测表明，钛合金的磨损随着硬度的增加而增加，但随着断裂韧性或拉伸延展性的降低而增加。将理论结果与实验数据进行比较，以阐明微观结构在磨损中的作用，并与可磨性进行对比。

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