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Simulation on temperature field of friction stir welding of 2a14 aluminum alloy based on equivalent film method
Zhu Z(朱智); Wang M(王敏); Zhang HJ(张会杰); Zhang X(张骁); Yu T(于涛); Yang GX(杨广新)
作者部门空间自动化技术研究室
会议名称International Conference on Material Science and Engineering, ICMSE 2016
会议日期June 24-26, 2016
会议地点Guangzhou, China
会议录名称Key Engineering Materials
出版者Trans Tech Publications Ltd
2016
页码62-67
收录类别EI
EI收录号20170203242959
产权排序1
ISSN号1013-9826
ISBN号978-3-03835-766-7
关键词2a14 Aluminum Alloy Backing Plate Contact Heat Transfer Friction Stir Welding Numerical Simulation Temperature Field
摘要Backing plate has an important influence on the temperature field of workpiece during the friction stir welding process. In order to predict the temperature field of workpiece accurately, a thermal-fluid coupled friction stir welding calculation model including workpiece and backing plate was developed. In the model, an equivalent film method was proposed to simplify the contact heat transfer between workpiece and backing plate to a heat conduction problem. The computational fluid dynamic software FLUENT was utilized to simulate the friction stir welding process of 2A14 aluminum alloy. As a result, the steady-state temperature field during the friction stir welding process was predicted and analyzed. The welding process test was carried out to verify the simulation results of temperature field. The compared results show that the simulated temperature and the measured values of all measuring points are in good agreement. Using the simulation method proposed in this paper, the calculation accuracy of temperature field during the friction stir welding process could be relatively high and the maximum error is 4.61%. In addition, there is a good corresponding relationship between the temperature distribution and the various regions of weld cross section.
语种英语
文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/19825
专题空间自动化技术研究室
通讯作者Zhu Z(朱智)
作者单位Department of Space Automation Technologies and Systems, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, 110016, China
推荐引用方式
GB/T 7714
Zhu Z,Wang M,Zhang HJ,et al. Simulation on temperature field of friction stir welding of 2a14 aluminum alloy based on equivalent film method[C]:Trans Tech Publications Ltd,2016:62-67.
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