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
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Indexed by:期刊论文
Date of Publication:2015-12-30
Journal:机械研究与应用
Volume:28
Issue:6
Page Number:29-33
ISSN No.:1007-4414
Key Words:搅拌摩擦焊接 CFD模型 疲劳应力 friction stir welding CFD model fatigue stress
Abstract:采用计算流体动力学模型(CFD)模拟AA6061-T6搅拌摩擦焊接过程. 基于得到的流场压力分布,计算出搅拌头受力. 搅拌头受力分为轴肩下表面摩擦阻力、搅拌针阻力和搅拌针底部摩擦力,通过与试验结果的比较验证了方法的有效性. 进一步提出计算搅拌针根部疲劳应力的解析方法,并与有限元数值解对比验证了其正确性. 结果表明,搅拌头受力和搅拌针疲劳应力随焊接转速增大而减小,随焊速的增加而增加. 但较大的转速,导致较高的疲劳应力交变频率.
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.
