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Science and Technology of Welding and Joining Volume 22, 2017 - Issue 6
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Original Articles

An analytical model to calculate the peak temperature for friction stir welding

Jinwen QianSchool of Mechanical Engineering, Xiangtan University, Xiangtan, P.R. China;Key Laboratory of Welding Robot and Application Technology of Hunan Province, Xiangtan University, Xiangtan, P.R. China;State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an, P.R. ChinaView further author information
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Yan OuSchool of Mechanical Engineering, Xiangtan University, Xiangtan, P.R. China;Key Laboratory of Welding Robot and Application Technology of Hunan Province, Xiangtan University, Xiangtan, P.R. ChinaView further author information
,
Jinglong LiState Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an, P.R. ChinaCorrespondence[email protected]
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,
Yifeng XiaoSchool of Mechanical Engineering, Xiangtan University, Xiangtan, P.R. China;Key Laboratory of Welding Robot and Application Technology of Hunan Province, Xiangtan University, Xiangtan, P.R. ChinaCorrespondence[email protected]
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,
Liang WuSchool of Mechanical Engineering, Xiangtan University, Xiangtan, P.R. China;Key Laboratory of Welding Robot and Application Technology of Hunan Province, Xiangtan University, Xiangtan, P.R. ChinaView further author information
&
Yanfei XuSchool of Mechanical Engineering, Xiangtan University, Xiangtan, P.R. China;Key Laboratory of Welding Robot and Application Technology of Hunan Province, Xiangtan University, Xiangtan, P.R. ChinaView further author information
Pages 520-525 | Received 12 Sep 2016, Accepted 29 Nov 2016, Published online: 20 Dec 2016
 
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ABSTRACT

The peak temperature and temperature profile greatly affect the defect formation and the joint strength during the friction stir welding processing. An analytical model is proposed and tested to estimate the peak temperature based on the common constitutive equation of inverse hyperbolic sine function and the fundamentals of continuum mechanics. The calculated results of the peak temperature are consistent with the literature data of several aluminium alloys.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This work was supported by National Natural Science Foundation of China (grant number 51475376).

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