ZA27锌合金的摩擦磨损特性及磨损机制  

Friction-Wear Properties and Wear Mechanism of ZA27 Zinc Alloy

作　　者：杨晴 张恒华[1] 马义明 YANG Qing;ZHANG Henghua;MA Yiming(School of Materials Science and Engineering,Shanghai University,Shanghai 200444,China;Suzhou Xiangguan Alloy Research Institute,Suzhou Jiangsu 215400,China)

机构地区：[1]上海大学材料科学与工程学院,上海200444 [2]苏州市祥冠合金研究院,江苏苏州215400

出　　处：《上海金属》2023年第2期32-37,共6页Shanghai Metals

摘　　要：采用摩擦磨损试验机研究了油润滑、不同载荷条件下ZA27锌合金的摩擦磨损特性,并与ZCuAl10Fe3铝青铜和ZCuSn6Zn6Pb3锡青铜进行了比较。利用扫描电子显微镜对合金的磨损表面形貌进行了观察。结果表明:3种合金的磨损量均随着载荷的增加而逐渐增加,不同载荷下ZA27合金的摩擦因数及磨损量均低于两种铜合金;随着载荷的增加,3种合金的磨损机制均从磨粒磨损转变为粘着磨损;在较高载荷(550 MPa)下两种铜合金发生了较严重的粘着磨损,而ZA27合金只有轻微粘着磨损,表现出更好的耐磨性能。Friction-wear properties of ZA27 zinc alloy under oil lubrication and different loads were studied by friction-wear tester, and compared with those of ZCuAl10Fe3 aluminum bronze and ZCuSn6Zn6Pb3 tin bronze. The worn surface morphology of the alloys was observed by scanning electron microscope. The results showed that the wear loss of the three alloys increased gradually with the increase in load, and the friction coefficient and wear loss of ZA27 alloy were lower than those of the two copper alloys under different loads. With the increase in load, the wear mechanism of the three alloys changed from abrasive wear to adhesive wear. Under a higher load of 550 MPa, the two copper alloys showed serious adhesive wear, while the ZA27 alloy showed only slight adhesive wear, showing better wear resistance.

关 键 词：ZA27锌合金 耐磨性 磨损机制 铜合金 

分 类 号：TG146.13[一般工业技术—材料科学与工程]