原位合成TiB_2颗粒增强ZL203基复合材料的摩擦磨损性能  

Friction and Wear Performance of In-Situ Synthesis TiB_2 Particles Reinforcing ZL203 Based Composites

作　　者：张磊[1] 邱辉[1] 尧军平[1] 黄磊萍[1] 蔡媛媛[1] 

机构地区：[1]南昌航空大学航空制造工程学院,南昌330063

出　　处：《机械工程材料》2011年第11期89-93,共5页Materials For Mechanical Engineering

基　　金：江西省教育厅2010年度青年科学基金资助项目(GJJ10198);南昌航空大学"三小"科技创新基金项目(XTZ201107)

摘　　要：采用混合盐反应法原位合成TiB_2颗粒制备了ZL203基复合材料,研究了不同载荷条件下复合材料的干摩擦磨损行为。结果表明:该复合材料中的TiB_2颗粒分布较均匀,平均尺寸约为500 nm;与基体材料相比,复合材料的力学性能和耐磨性明显提高,延缓了高载荷条件下严重磨损的发生,复合材料摩擦表面形成了一层致密的机械混合层,对复合材料具有很好的保护作用。In suit TiB2 patticles were synthetized by mixing salt reactive process to prepare ZL203 composite. The dry friction and wear behavior of the composites under different loading conditions was investigated. The results show that the TiB2 particles in composite distributed uniformly, their average size was about 500 nm. Compared with matrix material, the mechanical properties and wear resistance of the composites increased obviously, and the occurrence of serious wear under the condition of large load was prolonged. A compact mechanical mixture layer was deformed on the friction surface of the composite, and it had good protection to composite.

关 键 词：原位合成 复合材料 TIB2颗粒 机械混合层 耐磨性能 

分 类 号：TB331[一般工业技术—材料科学与工程]