高纯Al_2O_3陶瓷材料的摩擦磨损行为  

Friction Behavior of Low Friction and Wear Resistant High-Purity Alumina Ceramic

作　　者：童幸生[1] 陈禧[2] 马一[3] 马南钢[2] 

机构地区：[1]江汉大学机电与建筑工程学院 [2]华中科技大学材料科学与工程学院 [3]华中科技大学电子与信息系

出　　处：《特种铸造及有色合金》2012年第2期123-126,共4页Special Casting & Nonferrous Alloys

基　　金：武汉市科技计划项目

摘　　要：对比研究了所制备的几种不同高纯Al2O3陶瓷材料在相同的试验条件下的摩擦磨损性能。结果表明,摩擦因数随成分不同而发生变化,其磨损机制以塑性变形为主,压力过大时,磨损机制由塑性变形转变为脆性断裂。Al2O3陶瓷材料中增加一些改性材料并保证材料表面光滑平整,对提高耐磨性是有利的。Wear and frictional behavior of different high purity aluminum ceramic prepared were investigated comparatively. The results show that frictional coefficient is changed with ceramic components. The plastic deformation is dominant in the wear mechanism. However, with increasing in presure, the wear mechanism is changed from plastic deformation into brittle fracture. Through adding modified composition in the Al2O3 ceramics and keeping the smooth surface, it is favorable to improving the wear resistance of the ceramics.

关 键 词：高纯氧化铝陶瓷材料 摩擦因数 力学性能 载荷 表面粗糙度 

分 类 号：TQ174.1[化学工程—陶瓷工业]