2021
DOI: 10.1590/0104-9224/si26.01
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Abstract: In this study, the submerged arc welded butt joint of P-91 ferritic-martensitic alloy steel plates has been chosen to examine the influence of microstructural changes on welding residual stress characteristics and macrohardness in the weldment with two different heat input 2497.5 J/mm & 2040J/mm respectively. The stress magnitudes at a different location on the welded specimen are measured by X-ray diffraction technique at the postweld heat-treated condition. Compressive stresses are observed in the weld zone … Show more

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