Qr code
DALIAN UNIVERSITY OF TECHNOLOGY Login 中文
Dong Hai

Associate Professor
Supervisor of Master's Candidates


Gender:Male
Alma Mater:大连理工大学
Degree:Master's Degree
School/Department:机械工程学院
Discipline:Mechanical Manufacture and Automation. Mechatronic Engineering. Mechanical Design and Theory
Business Address:大连理工大学西部校区知方楼7116室
Contact Information:13322283820
E-Mail:donghai@dlut.edu.cn
Click: times

Open time:..

The Last Update Time:..

Current position: Home >> Scientific Research >> Paper Publications

聚晶金刚石刀具加工钛合金热塑剪切失稳研究

Hits : Praise

Indexed by:期刊论文

Date of Publication:2010-11-15

Journal:大连理工大学学报

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:50

Issue:6

Page Number:921-925

ISSN No.:1000-8608

Key Words:Ti-6Al-4V 热塑剪切失稳 锯齿形切屑齿尖角 剪应交 显微硬度 X射线衍射

Abstract:采用聚晶金刚石(PCD)刀具,以不同的切削速度对钛合金Ti-6Al-4V进行了切削实验.通过分析切屑的金相和扫描电子显微(SEM)照片,对PCD刀具加工钛合金Ti-6Al-4V的热塑剪切失稳现象进行了深入研究,分析表明发生热塑剪切失稳时锯齿形切屑齿尖角随切削速度先增大,后减小,并通过计算锯齿形切屑内的剪应交、测量剪切带内外的显微硬度和切屑内的X射线衍射分析证实了在发生热塑剪切失稳时钛合金的组织发生了相交.