离心式注水泵火焰超音速喷涂金属陶瓷涂层性能试验研究  

Study on Performance of Cermet Coating by Flame Supersonic Spraying for Centrifugal Water Injection Pump

作　　者：王群章 潘向雷 李志和 邓华兵 吕震 杨德良 WANG Qunzhang;PAN Xianglei;LI Zhihe;DENG Huabing;LÜZhen;YANG Deliang(No.1 Oil Production Plant of Henan Oilfield Branch of Sinopec,Nanyang 474780,China)

机构地区：[1]中国石油化工有限公司河南油田分公司采油一厂,河南南阳474780 [2]济南裕兴化工有限责任公司,山东济南250100 [3]山东金萃冶金技术有限公司,山东济南271109

出　　处：《山东冶金》2021年第4期42-44,共3页Shandong Metallurgy

摘　　要：通过研究离心式注水泵的使用工况及失效机理,设计了一种火焰超音速喷涂工艺制备的以镍、钴合金为主的复合金属陶瓷涂层提高离心式注水泵叶轮的泵效,对涂层进行金相观察、显微硬度分析、涂层结合强度试验及耐空蚀性能测试,结果表明,镍基金属陶瓷涂层与基体结合强度高,抗空蚀性能优良。To improve the pump efficiency of centrifugal water injection pump impeller,by studying the working condition and failure mechanism of centrifugal water injection pump,a kind of composite cermet coating based on nickel and cobalt alloy prepared by flame supersonic spraying process is designed.Metallographic observation,micro hardness analysis on the coating,the coating bond strength test and cavitation erosion resistance test were carried out.The results show that the Ni based ceramic coating has high bonding strength and excellent cavitation corrosion resistance.

关 键 词：离心式注水泵 火焰超音速喷涂 金属陶瓷涂层 涂层结合强度 耐空蚀性能 

分 类 号：TG174.4[金属学及工艺—金属表面处理]