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Computer simulation of temperature fields in mechanised plasma-arc welding
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- Tam, S.C. (author)
- School of Mechanical and Production Engineering, Nanyang Technological Institute, Singapore
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- Lindgren, Lars-Erik (author)
- School of Mechanical and Production Engineering, Nanyang Technological Institute, Singapore
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- Yang, L.J. (author)
- School of Mechanical and Production Engineering, Nanyang Technological Institute, Singapore
- (creator_code:org_t)
- Elsevier BV, 1989
- 1989
- English.
- In: Journal of Mechanical Working Technology. - : Elsevier BV. - 0378-3804. ; 19:1, s. 23-33
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The process of the mechanised plasma-arc butt-welding of thin-gauge mild-steel sheets has been studied, both theoretically and experimentally. The transient temperature distribution has been computed using an analytical model due to Rosenthal. The results have then been compared with those generated by finite-element analysis using the commercial package PAFEC. The two sets of results were found to be in reasonably good agreement; moreover, the theoretical values were found to correlate fairly well with the results of experiments performed on a Messer Griesheim Uniwig G-200P plasma-arc welding machine.The extent of the heat-affected zone (HAZ) in the butt-welded specimens has been computed by analysing the temperature history at points lying transverse to the weldment: the theoretical values match fairly closely with those obtained from the welding experiments.The efficiency of the plasma-arc welding process has been estimated to be around 32% to 35%.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Keyword
- Material Mechanics
- Materialmekanik
Publication and Content Type
- ref (subject category)
- art (subject category)
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