Surface temperature distribution of GTA weld pools on thin-plate 304 stainless steel
- Oak Ridge National Lab., TN (United States). Metals and Ceramics Div.
- EG and G Idaho, Inc., Idaho Falls, ID (United States). Idaho National Engineering Lab.
A transient multidimensional computational model was utilized to study gas tungsten arc (GTA) welding of thin-plate 304 stainless steel (SS). The model eliminates several of the earlier restrictive assumptions including temperature-independent thermal-physical properties. Consequently, all important thermal-physical properties were considered as temperature dependent throughout the range of temperatures experienced by the weld metal. The computational model was used to predict surface temperature distribution of the GTA weld pools in 1.5-mm-thick AISI 304 SS. The welding parameters were chosen so as to correspond with an earlier experimental study that produced high-resolution surface temperature maps. One of the motivations of the present study was to verify the predictive capability of the computational model. Comparison of the numerical predictions and experimental observations indicate excellent agreement, thereby verifying the model.
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 131640
- Journal Information:
- Welding Journal, Journal Name: Welding Journal Journal Issue: 11 Vol. 74; ISSN 0043-2296; ISSN WEJUA3
- Country of Publication:
- United States
- Language:
- English
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