Ni-P-SiC镀层及其摩擦磨损特性研究  

Frictional and wear properties of Ni-P-SiC composite coating

作　　者：刘李 张哲晨 靳广虎[2] 戴庆文[2] 黄巍[2] LIU Li;ZHANG Zhechen;JIN Guanghu;DAI Qingwen;HUANG Wei(Science and Technology on Helicopter Transmission Laboratory,Hunan Aviation Powerplant Reserch Institute,Aero Engine Corporation of China,Zhuzhou 412002,Hunan,China;College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,Jiangsu,China)

机构地区：[1]中国航空发动机集团有限公司,湖南动力机械研究所,直升机传动技术重点实验室,湖南株洲412002 [2]南京航空航天大学机电学院,江苏南京210016

出　　处：《金属功能材料》2023年第5期123-129,共7页Metallic Functional Materials

基　　金：直升机传动技术国防科技重点实验室基金(HTL-A-22G14)。

摘　　要：为提高轴颈的耐磨性能和使用寿命,开展了金属材料的表面镀层及其摩擦学性能基础研究。通过电泳沉积与化学镀相结合的工艺方法制备了Ni-P-SiC复合镀层,SiC颗粒含量可达14.66%(质量分数)。对镀态和热处理后的复合镀层进行检测,并进行干摩擦和水润滑摩擦试验。结果表明,随着热处理温度的提高,复合镀层的硬度和干摩擦耐磨性先升高后降低,这与基质金属的重结晶有关。水润滑条件下镀态与热处理后的复合镀层均能达到低摩擦状态,摩擦系数最低可达0.015。In order to improve the wear resistance and service life of journal,the basic research on the surface coating of metal materials and its tribological properties was carried out.Ni-P-SiC composite coatings with SiC particles up to 14.66 wt%were prepared by a process combination of electrophoretic deposition and chemical coating.The composite coating layers in coating state and after heat treatment were examined and dry friction and water-lubricated friction tests were performed.The results showed that the hardness and dry friction wear resistance of the composite coating layer increased and then decreased as the heat treatment temperature increased,which was related to the recrystallization of the base metal.Both the coating state under water-lubricated conditions and the composite coating after heat treatment can achieve a low friction state with a friction coefficient as low as O.015.

关 键 词：Ni-P-SiC复合镀层 电泳 化学镀 水润滑 

分 类 号：TG174.4[金属学及工艺—金属表面处理]