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- W2387211814 abstract "The methods of shielded metal arc welding were employed in this study.E7015-D2 electrode matched with the postweld heat-treatment systems of normalizing,drawing temper in different cooling velocity and stress relief annealing were utilized.The experiment applied mechanical properties of bend,tension and impact on the welded joint,furthermore,its metallograph and SEM fractograph of tensile and impact fracture were analyzed.The results indicate that welding properties of the method in air cooling were satisfied.But in slow cooling the lateral tensile strength of welded joint was below specified minimum tensile strength of base metal,the impact toughness was lower than that in air cooling.The ability of crack extended resistance of welded joint was lower than that in air cooling.The SEM fractograph in slow cooling exhibit admixture characteristic of quasi-cleavage and ductile dimple,which has testified this point." @default.
- W2387211814 created "2016-06-24" @default.
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- W2387211814 date "2009-01-01" @default.
- W2387211814 modified "2023-09-23" @default.
- W2387211814 title "Effect of Postweld Heat-treatment on Microstructure and Mechnical Properties of BHW35 Steel Welded Joint" @default.
- W2387211814 hasPublicationYear "2009" @default.
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