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首页> 外文会议>2006 BIMW >Friction and Wear Properties of Friction Stir Welds of 5052 Al alloy
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Friction and Wear Properties of Friction Stir Welds of 5052 Al alloy

机译：5052铝合金搅拌摩擦焊的摩擦磨损性能。

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摘要

Friction and wear behaviors have been studied between the untreated base material and the friction stir welds of 5052 aluminum alloy. To determine the wear mechanism surface microstructures of worn test samples were examined by scanning electron microscopy (SEM).Variation rule of wear-resistance property and coefficient of friction were investigated according to wear mass loss and moment of friction under different parameter condition. The results show that all of friction stir welds had lower coefficients of friction and higher wear resistance than base material. The abrasion loss of base material increased by six times when position pressure increased from 50N to 100N and the abrasion loss is as 10-20 times as that of friction stir welds. The value of friction-moment of friction stir welds is low and stable and abrasion principle had changed from grain abrasion to fatigue wear. Surface examination showed that adhesion and smearing was the main wear mechanism for friction stir welds.
机译：研究了未经处理的基材与5052铝合金的搅拌摩擦焊缝之间的摩擦磨损性能。为了确定磨损机理，通过扫描电镜（SEM）对磨损试样的表面微观结构进行了研究。根据不同参数条件下的磨损质量损失和摩擦力矩，研究了耐磨性和摩擦系数的变化规律。结果表明，与基础材料相比，所有摩擦搅拌焊缝均具有较低的摩擦系数和较高的耐磨性。当位置压力从50N增加到100N时，基材的磨损量增加了6倍，而磨损量是搅拌摩擦焊的10到20倍。搅拌摩擦焊的摩擦力矩值较低且稳定，磨损原理已从晶粒磨损变为疲劳磨损。表面检查表明，粘附力和涂抹是搅拌摩擦焊缝的主要磨损机理。

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