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首页> 外文会议>World Tribology Congress III vol.1; 20050912-16; Washington,DC(US) >FRICTION AND WEAR OF A POLYMER-MATRIX REINFORCED WITH NANOCRYSTALLINE ALLOY
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FRICTION AND WEAR OF A POLYMER-MATRIX REINFORCED WITH NANOCRYSTALLINE ALLOY

机译：纳米晶合金增强的聚合物基体的摩擦磨损

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摘要

The tribological behavior of a polymer-matrix composite containing discontinuous nanocrystalline alloy reinforcements is studied using a model system composed of a bakelite matrix reinforced with unitary A16061 nanostructures. Chip formation by machining is used to produce the unitary nanostructures with grain size in the range of 50-200 nm. The hardness and strength of the unitary nanostructures are seen to be substantially greater than those of micro-crystalline Al 6061. Polymer-matrix composites containing these nanocrystalline metal reinforcements in a bakelite matrix are prepared using standard polymer processing routes. The friction and wear characteristics of the composites are studied using block-on-cylinder and pin-on-disk configurations. The wear performance of the nanocrystalline, metal-reinforced polymer is compared with that of the unfilled polymer and also with that of the polymer reinforced with microcrystalline alloy reinforcements, and shown to be superior.
机译：使用包含由单一A16061纳米结构增强的胶木基质组成的模型系统，研究了包含不连续纳米晶合金增强材料的聚合物基复合材料的摩擦学行为。通过机械加工形成芯片用于生产晶粒尺寸在50-200 nm范围内的单一纳米结构。单一纳米结构的硬度和强度被认为比微晶Al 6061的硬度和强度大得多。使用标准的聚合物加工路线可制备在胶木基质中包含这些纳米晶金属增强材料的聚合物基复合材料。复合材料的摩擦和磨损特性是通过缸套和针盘式配置进行研究的。将纳米晶体，金属增强的聚合物的磨损性能与未填充的聚合物以及由微晶合金增强材料增强的聚合物的磨损性能进行了比较，结果显示出优异的磨损性能。

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