Journal
ARCHIVES OF METALLURGY AND MATERIALS
Volume 65, Issue 2, Pages 583-593Publisher
POLSKA AKAD NAUK, POLISH ACAD SCIENCES, INST METALL & MATER SCI PAS
DOI: 10.24425/amm.2020.132796
Keywords
Microstructure; GTAW; P91 steel; P92 steel; delta ferrite
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In present work, two nuclear grade steel (P91, P92) are joined using the arc welding process. The welded joints were subjected to the heat treatment in order to restore the mechanical properties and overcome the heterogeneity across the joints. The weldments were studied for microstructure evolution and mechanical behavior under different condition of heat treatment. The variation in mechanical behavior obtained for the welded joints were tried to relate the microstructtunl evolution. After the normalizing based heat treatment, homogeneity with negligible delta ferrite across the welded joints was observed.
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