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A Study on Residual Stress Distribution in Welded Joint of P91 and SS304H Steel Plate

Lecture Notes in Mechanical Engineering, ISSN: 2195-4364, Page: 1-10
2022
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Conference Paper Description

The experimental study has been done to investigate the through thickness residual stress variation in P91/SS304H welds joint. The gas tungsten arc welding (GTAW) has been performed for joining of the dissimilar metal using the Ni-based ERNiCrMo-3 filler. The residual stress measurement was performed in the weld metal, SS304H HAZ and P92 HAZ. The results showed a considerable deviation in residual stresses along the thickness and in the transverse direction of the weldments. The PWHT showed a significant effect on magnitude and nature of the transverse and longitudinal residual stress for both weld metal and HAZ.

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