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:2018-08-23
Journal:兵器材料科学与工程
Issue:05
Page Number:1-6
ISSN No.:1004-244X
Key Words:有限元传热模型;相场模拟;增材制造;枝晶间距
Abstract:将传统有限元传热模型和定量相场模型结合,模拟Ti-Nb合金多层激光粉末增材制造过程中金属凝固过程的温度历史及其显微组织。研究Ti-Nb合金在激光粉末沉淀过程中各层的晶粒演化,与已有试验对比验证模型的准确性。将有限元传热模型得到的不同增材层的温度历史用于定量相场模型模拟合金在局部稳态条件下的定向凝固行为,采用Fortran编写程序求解以凝固速度和温度梯度作为输入参数的相场方程。结果表明:不同增材层的热历史及凝固形态是有区别的,随着增材的层数增加,每层熔池边界的温度梯度呈非线性降低,相应的显微组织的枝晶间距随着温度梯度的降低而增大。
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.
