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- W4242026470 abstract "In the present work the effect of different durations of post weld heat treatments(0.5,2,10,50 hours)are analyzed on the Mechanical properties of Cr-Mo alloy steel of ASTM A387 Gr-22,2.25% Cr-1%Mo alloy steel. These are used in high temperature services such as Boilers, Pressure vessels, Pipelines, Heat Exchangers in Petrochemical, Oil and Gas industries, Thermal and Nuclear power plants etc.The work was focused on different regions of weldment like base metal, HAZ and weldmetal to compare and analyze the results obtained in as-welded and different heat treatments from transverse Tensile testing of weldment and base metal, Charpy-V-Notch Impact toughness test. From this mechanical properties investigations it was concluded that there was a significant improvement in the mechanical and Microstructural properties with the PWHT and the best suitable heat treatment time was proposed to get the desired properties in the structures for the industrial applications. Microstructural changes were observed during different post weld heat treatments and their effect on mechanical properties were observed.Energy-dispersive analysis (E-DAX) was used to determine the elemental compositions. E-DAX analysis is focused on weld metal and the compositional variations are studied in as-welded and different PWHT conditions and their effect on mechanical properties were observed." @default.
- W4242026470 created "2022-05-12" @default.
- W4242026470 date "1989-09-01" @default.
- W4242026470 modified "2023-10-18" @default.
- W4242026470 title "Multi-dimensional evaluation of strengths for welded productsShin, S., Ishida, H. and Yano, H. Bull. Natl. Res. Lab. Metrology 1989 38, (1), 28–34 (in Japanese)" @default.
- W4242026470 doi "https://doi.org/10.1016/0142-1123(89)90097-2" @default.
- W4242026470 hasPublicationYear "1989" @default.
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