用于回转体外表面的电火花强化修复装置研究  

Study on the Electro-spark Strengthening and Repairing Device Using for External Surface of Rotating Body

作　　者：葛志宏[1] 邓静[1] GE Zhihong;DENG Jing(Department of Electrical Engineering,Chongqing Aerospace Polytechnic,Chongqing 400021,China)

机构地区：[1]重庆航天职业技术学院机电工程系,重庆400021

出　　处：《电加工与模具》2020年第6期29-31,47,共4页Electromachining & Mould

基　　金：重庆市教育委员会科学技术研究计划项目(KJQN 201803003)。

摘　　要：研究了一种用于回转体外表面的电火花强化修复装置,介绍了该装置的结构和工作原理,并结合SEM照片、X射线衍射相结构及硬度梯度测试进行综合判断分析。结果显示,装置生成的强化修复层较为完整且修复层含有碳化物、氮化物及非晶组织存在,可达到修复和改善工件表面性能的目的。An electro-spark strengthening and repairing device using for the external surface of the rotating body was manufactured.The structure and working principle of the device were introduced,and a comprehensive judgment and analysis was carried out by SEM graph,X-ray diffraction phase structure and hardness gradient test.The results showed that the strengthened repairing layer generated by the device was relatively complete and the repairing layer contains carbides,nitrides and amorphous structures.The device can achieve the purpose of repairing and improving the surface properties of the workpiece.

关 键 词：电火花强化 硬度梯度 非晶组织 

分 类 号：TG661[金属学及工艺—金属切削加工及机床]