工业纯铜膏剂法陶瓷/渗铝复合涂层耐磨性研究  

Research on Wear Resistance of Ceramic/Permeated Aluminum Composite Coating on Industrial Pure Copper Surface Prepared by Slurry Process

作　　者：时海芳[1] 吕娜[1] 董世知[1] 李智超[1] 

机构地区：[1]辽宁工程技术大学材料科学与工程学院,辽宁阜新123000

出　　处：《热加工工艺》2012年第4期96-98,共3页Hot Working Technology

基　　金：辽宁省教育厅资助项目(L2010159)

摘　　要：采用膏剂法及加热扩散在纯铜表面制备铜基陶瓷/渗铝复合涂层。观察分析了复合涂层的形貌和结构,并研究了该复合涂层的抗热震性能、涂层硬度、耐磨性。结果表明:纯铜膏剂法热化学反应陶瓷/渗铝复合涂层中有Na7Al3O8、Cu3TiO4、Cu9Al4等新相生成;复合涂层在700℃条件下热震次数可达40次以上;复合涂层的硬度可达83.8 HRE,耐磨性实验中,复合陶瓷涂层的相对耐磨性是基体的5.40倍;复合陶瓷涂层的黏着磨损(干摩擦)相对耐磨性是基体的5.64倍;复合陶瓷涂层的黏着磨损(油摩擦)相对耐磨性是基体的10.14倍。The ceramic/permeated aluminum composite coating was prepared on copper surface by slurry process and heat reaction method.The composite coating structure was analyzed and the thermal vibration resistance,hardness,wear resistance of the composite coating were investigated.The results show that the composite coating has formed new phases like Na7Al3O8,Cu3TiO4,Cu9Al4;the hardness reaches 83.8 HRE;and the number of the thermal shock is above 40 times.In the abrasion resistance testing,the particle attrition performance is as 5.40 times as the copper;the adhesive wear（dry friction） performance is as 5.64 times as the copper;the adhesive wear（oil friction） performance is as 10.14 times as the copper.

关 键 词：纯铜 陶瓷涂层 渗铝层 复合涂层 耐磨性 

分 类 号：TG174.44[金属学及工艺—金属表面处理]