Effects of electropulsing treatment on material properties and ultra-precision machining of titanium alloy

被引：27
|
作者：
Wu, Hong Bing [1 ,2 ]
To, Sandy [2 ]
机构：
[1] Zhejiang Univ, Ningbo Inst Technol, Coll Mech & Energy Engn, Ningbo 315100, Zhejiang, Peoples R China
[2] Hong Kong Polytech Univ, State Key Lab Ultraprecis Machining Technol, Hong Kong, Hong Kong, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2016年 / 82卷 / 9-12期
关键词：
Ultra-precision turning; Electropulsing treatment; Titanium alloy; PULSE HEAT-TREATMENT; TOOL;
D O I：
10.1007/s00170-015-7379-5
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Titanium alloy is well known with difficult machinability, which limits its application unavoidably. In this study, electric pulse treatment (EPT) is firstly employed to change the material properties and improve the machinability of titanium alloy Ti6Al4V in ultra-precision machining. A series of tests of EPT and ultra-precision cutting have been carried out. Effects of EPT parameters on microstructure and mechanical properties of Ti6Al4V have been investigated. The chip morphology, cutting force, and surface roughness of titanium alloys after EPT and without EPT in ultra-precision machining have been analyzed, too. It was found that EPT technology can improve the machinability of titanium alloy in ultra-precision machining and the machinability of titanium alloy becomes better with the increasing of current density and frequency of EPT.
引用
收藏
页码：2029 / 2036
页数：8
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