Improvement on the periodic dissolution behavior of titanium alloy in counter-rotating electrochemical machining

被引：3

作者：

Wang, Dengyong ^{[1
]}

Ren, Zhiyuan ^{[1
]}

Le, Huayong ^{[1
]}

Zhu, Di ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Mech & Elect Engn, Yudao St 29, Nanjing 210016, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2021年 / 116卷 / 3-4期

基金：

中国国家自然科学基金;

关键词：

Electrochemical machining; Titanium alloy; Dissolution behavior; Surface quality; Pitting corrosion;

D O I：

10.1007/s00170-021-07235-8

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Counter-rotating electrochemical machining is an effective method for machining thin-walled revolving parts with concave-convex structures. In this process, the anode workpiece and cathode tool rotate oppositely at the same rotational speed, and the material is dissolved under a periodic machining current with long off-time. This special periodic current results in serious pitting corrosion when a titanium alloy workpiece is involved. An experimental system with a programmable power supply has been developed to understand the periodic dissolution behavior. An auxiliary electrode with positive potential near workpiece is proposed to prevent the pitting corrosion. Experimental results indicate that the surface quality is improved remarkably.

引用

页码：877 / 887

页数：11

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