Finite element modeling of grain growth by point tracking method in friction stir welding of AA6082-T6

被引：27
|
作者：
Wan, Z. Y. [1 ]
Zhang, Z. [1 ]
Zhou, X. [1 ]
机构：
[1] Dalian Univ Technol, Fac Vehicle Engn & Mech, Dept Engn Mech, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2017年 / 90卷 / 9-12期
基金：
中国国家自然科学基金;
关键词：
Friction stir welding; Coupled thermo-mechanical model; Material flow; Grain size; MECHANICAL-PROPERTIES; MATERIAL BEHAVIORS; TOOL; TEMPERATURE; SIMULATION; PARAMETERS; FLOW;
D O I：
10.1007/s00170-016-9632-y
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A thermo-mechanical re-meshing model of friction stir welding (FSW) process of AA6082-T6 is used with a point tracking method for the determination of the final locations of the particles. The relations between the field variables and the material flows in the FSW process are discussed. Then the grain sizes after recrystallization are calculated. The comparison with the numerical and the experimental results in published literatures shows the validity of the proposed model. Based on the Zener-Hollomon parameter, the effects of strain rate and temperature on recrystallization are further discussed.
引用
收藏
页码：3567 / 3574
页数：8
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