Evaluation of variation of tensile strength across 316LN stainless steel weld joint using automated ball indentation technique

2015 ◽  
Vol 32 (6) ◽  
pp. 619-626 ◽  
Author(s):  
J. Ganesh Kumar ◽  
V. D. Vijayanand ◽  
M. Nandagopal ◽  
K. Laha
Keyword(s):  
Tensile Strength ◽  
Stainless Steel ◽  
Weld Joint ◽  
Steel Weld ◽  
Indentation Technique ◽  
316Ln Stainless Steel ◽  
Ball Indentation ◽  
Stainless Steel Weld ◽  
Steel Weld Joint

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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