Effect of welding processes on the residual stress and distortion in type 316LN stainless steel weld joints

2015 ◽  
Vol 19 ◽  
pp. 187-193 ◽  
Author(s):  
P. Vasantharaja ◽  
M. Vasudevan ◽  
P. Palanichamy
Keyword(s):  
Residual Stress ◽  
Stainless Steel ◽  
Steel Weld ◽  
316Ln Stainless Steel ◽  
Weld Joints ◽  
Stainless Steel Weld ◽  
Type 316Ln Stainless Steel ◽  
Welding Processes

Numerical Simulation and Experimental Investigation of Residual Stress in 06Cr19Ni10 Austenitic Stainless Steel Weld Joint with Effects of Strain-Strengthening

2016 ◽  
Vol 853 ◽  
pp. 204-208 ◽  
Author(s):  
Lan Qing Tang ◽  
Hui Fang Li ◽  
Xiao Xiao Wang ◽  
Cai Fu Qian
Keyword(s):  
Residual Stress ◽  
Stainless Steel ◽  
Austenitic Stainless Steel ◽  
Weld Joint ◽  
Strengthening Effect ◽  
Steel Weld ◽  
Stainless Steel Weld ◽  
Steel Weld Joint ◽  
Austenitic Stainless Steel Weld ◽  
Strain Strengthening

In this paper, Finite Element Modeling (FEM) using Marc software was carried out to investigate the strain-strengthening effect on residual stress in 06Cr19Ni10 austenitic stainless steel weld joint made by MIG welding. The model prediction of residual stress was validated by X-ray Diffraction (XRD) method. It is found that there is a good agreement between the model predictions and the experimental results. The strain-strengthening can significantly improve the distribution of residual welding stress. Specifically in weld zone and the heat-affected zone (HAZ), residual stress decreases with increasing strain-strengthening level.

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