Zhang Zhao
Professor Supervisor of Doctorate Candidates Supervisor of Master's Candidates
Main positions:Professor in Process Mechanics
Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:Department of Engineering Mechanics, Dalian University of Technology
Discipline:mechanics of manufacturing process. Engineering Mechanics. Computational Mechanics
Business Address:Room 619,Integrated Laboratory building (1#)
Contact Information:+86-411-84708432 zhangz@dlut.edu.cn
E-Mail:zhangz@dlut.edu.cn
Hits:
Indexed by:期刊论文
Date of Publication:2008-01-11
Journal:金属学报
Included Journals:SCIE、EI、PKU、ISTIC、CSCD
Volume:44
Issue:01
Page Number:85-90
ISSN No.:0412-1961
Key Words:搅拌摩擦焊接;数值模拟;接触模型
Abstract:在完全热力耦合搅拌摩擦焊接数值模型中采用两种接触模型——经典的Coulomb接触模型和修正的Coulomb接触模型,模拟了搅拌摩擦焊接过程,以分析不同接触模型对搅拌摩擦焊接过程数值模拟的影响.结果表明,对于低转速的搅拌摩擦焊接,两种模型的预测结果区别不大;但是对于高转速,由于界面摩擦剪切应力没有上限,采用经典的Coulomb接触模型无法模拟,需采用修正的Coulomb接触模型.搅拌头转速的增加不会改变搅拌摩擦焊接技术固态连接的本质.当采用高转速时,焊接构件上、下表面的变形趋于均匀,有利于得到均匀的显微结构.
Zhang Zhao, Ph.D., Professor in Process Mechanics.
Editorial member in Coatings (IF:2.881) from 2020 to 2022.
Editorial member in Crystals (IF:2.589) from 2020 to 2022.
Younth editorial member in Journal of Central South University(IF:1.716) from 2020 to 2022.
Professor Zhang has published more than 60 SCI publications with over 1100 citations. He served as reviewers for more than 30 international journals. His main pulications can be found:
https://orcid.org/0000-0001-7181-8617
https://publons.com/researcher/1987190/zhao-zhang/
The scientific research focuses on experimental and numerical works on friction stir welding/processing/additive manufacturing, numerical modelling and simulation of additive manufacuring, topological design of phononic crystals, locomotive and high speed train design.
