Unstable Temperature Distribution in Friction Stir Welding

Aziz Hussein, Sadiq and S., Thiru and Izamshah, Raja and Md Tahir, Abd Salam (2014) Unstable Temperature Distribution in Friction Stir Welding. Advances in Materials Science and Engineering, 2014 (2014). p. 8. ISSN 1687-8434

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In the friction stir welding process, a nonuniform and high generated temperature is undesirable. Unstable temperature and distribution affect thermal and residual stresses along the welding line, thus necessitating mitigation. This paper presents a simple method to prevent significant temperature difference along the welding line and also to help nullifying some defect types associated with this welding, such as end-hole, initial unwelded line, and deformed areas. In the experimental investigation, a heat and force thermocouple and dynamometer were utilized while couple-field thermomechanical models were used to evaluate temperature and its distribution, plastic strain, and material displacement. The suggested method generated uniform temperature distributions. Measurement results are discussed, showing a good correlation with predictions

Item Type: Article
Uncontrolled Keywords: unstable temperature distribution, friction, stir welding
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TS Manufactures
Divisions: Faculty of Mechanical Engineering > Department of Design and Innovation
Depositing User: Dr S.Thiru chitrambalam
Date Deposited: 20 Nov 2014 16:49
Last Modified: 28 May 2015 04:32
URI: http://eprints.utem.edu.my/id/eprint/13507
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