Heat input and temperature distribution in friction stir welding

W. Tang, X. Guo, J. C. McClure, L. E. Murr, A. Nunes

Research output: Contribution to journalArticlepeer-review

332 Scopus citations

Abstract

In this paper the heat input and temperature distribution during friction stir welding is investigated. The temperatures at different positions in the specimen thickness direction and perpendicular to the pin tool travel direction were recorded during welding under various welding conditions. It was found that the highest temperature in the welding seam is less that 0.8 Tm. For the conditions used in this work, the temperature does not change appreciably in the specimen thickness direction. The temperature distribution perpendicular to the weld is nearly isothermal under the pin tool shoulder. Furthermore, increasing welding pressure and pin tool rotational speed increases the peak welding temperature. Finally, it is shown that the shoulder of the pin tool plays a very important role in the welding process.

Original languageEnglish
Pages (from-to)163-172
Number of pages10
JournalJournal of Materials Processing and Manufacturing Science
Volume7
Issue number2
DOIs
StatePublished - Oct 1998
Externally publishedYes

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