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首页> 外文会议>Pacific Rim International Conference on Advanced Materials and Processing(PRICM 5) pt.5 >High Pressure Wear Characteristics of Alloyed Ductile Cast Iron - Effect of Cu, Mn, Si and Mo
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High Pressure Wear Characteristics of Alloyed Ductile Cast Iron - Effect of Cu, Mn, Si and Mo

机译：合金球墨铸铁的高压磨损特性-Cu，Mn，Si和Mo的影响

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摘要

Under a high-pressure condition, the wear characteristics of alloyed and unalloyed ductile cast iron were investigated. Mn, Cu, Si and Mo were chosen as alloying elements, and their effects on mechanical properties of hardness and toughness were correlated with wear properties. In most cases, high-pressure wear of alloyed and unalloyed DCI were sequentially developed by mild wear region followed by severe wear. The transition of wear mode was indicated by the drastic increase of friction coefficient and wear rate. The observation of worn surface at mild-wear region suggested that wear had been concentrated at graphite phases, whereas severe wear mode damaged both of graphite and matrix. It was found that DCI alloyed with Si-Mo exhibited the most prominent resistance to the beginning of severe wear while the toughness of DCI was also a crucial factor.
机译：在高压条件下，研究了合金和非合金球墨铸铁的磨损特性。选择Mn，Cu，Si和Mo作为合金元素，它们对硬度和韧性的机械性能的影响与磨损性能相关。在大多数情况下，合金和非合金DCI的高压磨损是由轻度磨损区域依次严重磨损继而产生的。摩擦系数和磨损率的急剧增加表明了磨损模式的转变。在轻度磨损区域观察到的磨损表面表明，磨损集中在石墨相上，而严重的磨损模式则损坏了石墨和基体。发现与Si-Mo合金化的DCI对开始严重磨损表现出最突出的抵抗力，而DCI的韧性也是一个关键因素。

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