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ASME Press Select Proceedings
International Conference on Mechanical and Electrical Technology, 3rd, (ICMET-China 2011), Volumes 1–3
By
ISBN:
9780791859810
No. of Pages:
906
Publisher:
ASME Press
Publication date:
2011
eBook Chapter
319 Comparison of Residual Stresses between TIG and MIG Welding Technique in Pipes
By
Seyed Mehdi Naghavi
Seyed Mehdi Naghavi
Morvarid Petrochemical Company
, Second floor, Number 38, Karimkhan avenue, P.O.Box: 11365-3484 Tehran
, Iran
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Page Count:
7
-
Published:2011
Citation
Naghavi, SM. "Comparison of Residual Stresses between TIG and MIG Welding Technique in Pipes." International Conference on Mechanical and Electrical Technology, 3rd, (ICMET-China 2011), Volumes 1–3. Ed. Xie, Y. ASME Press, 2011.
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This paper presents a three dimensional thermo-elasto-plastic analysis, using finite element techniques, to analyze the thermo mechanical behavior and evaluate the residual stresses in pipepipe joints of AISI stainless steel type. Single-pass TIG and MIG welding in pipes having a diameter of 274 mm and a thickness of 6.2 mm is studied here. Two different welding techniques are analyzed. It has been shown that selecting a suitable welding technique can modify the amount of residual stresses in this pipe geometry.
Abstract
Key Words
1 Introduction
2. Modelling of Physical Phenomena
3 Heat Equation
4. Material Modelling
5. Finite Element Modelling
6. Element Birth and Death
7. Results and Discussion
8. Conclusions
References
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