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Weld Associated Localized Necking in Various Steels
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English
Abstract
The joining of metals by welding results in unavoidable heating of adjacent material causing the formation of a weld heat affected zone (HAZ). Deformation of the weld zone as during automotive wheel rim fabrication is reported to develop a non-uniform strain distribution in the weld HAZ of high strength steels. This can lead to the formation of a localized neck in the HAZ and hence, a higher production scrap rate in these steels compared to plain carbon steel.
This report examines the mechanical property changes that occur in the weld HAZ of three commercial high strength steels and a plain carbon steel. These mechanical property changes are explained in terms of the phase transformations that occur on heating the steels during welding, and the explanations provide insight into potential solutions for reducing the tendency for post-weld, deformation-induced necking during automotive rim fabrication.
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Authors
Citation
Rashid, M. and Rathke, A., "Weld Associated Localized Necking in Various Steels," SAE Technical Paper 820282, 1982, https://doi.org/10.4271/820282.Also In
References
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- Drewes E. J. “Experience with the Production and Application of As-Received Dual Phase Steel,” Alloys for the Eighties Climax Molybdenum Co. 1980 59 67
- Rashid M. S. Rathke A. E. “Weld Associated Localized Necking During Dual Phase Steel Wheel Rim Fabrication,” SAE Preprint 810026 , Presented at the SAE Annual Meeting Detroit, Michigan Feb. 1981
- Rashid M. S. “GM 980X: Potential Applications and Review,” SAE Trans., Paper 770211 86 2 835 46 1977
- Rao B.V.N. Sachdev A. K. “Influence of Cooling Rate on the Microstructure of Intercritically Annealed Van 80 and the Origin of Superior Properties in GM 980X,” GM Research Publication GMR-3564 Feb. 1981
- Rashid M. S. “Dual Phase Steels,” Annual Rev. in Materials Science 11 1981 246 66
- Rashid M. S. “High Strength Low Alloy Steels,” Science 208 862 1980
- Rashid M. S. Rao B.V.N. “Tempering Characteristics of a Vanadium Containing Dual Phase Steel,” GM Research Publication GMR-3576 Feb. 81