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- W2368408914 abstract "Welding and postweld heat-treatment were carried out for low-temperature steel 07MnNiCrMoVDR.Low-temperature impact toughness was tested,the fiber percentage of fracture at different temperature was calculated,macroscopic and microscopic fracture and microstructure were analyzed for base metal,weld seam and heat-affected zone.The results indicate that impact energy of every zone meets requirement of 07MnNiCrMoVDR steel's mechanical property.It also shows that the chosen welding technology and postweld heat-treatment technology are reasonable.Fiber percentage in base metal fracture is higher than that in heat-affected zone fracture and it is the lowest in welded seam fracture through calculation of fracture's fiber percentage.It indicates low-temperature impact toughness of base metal is the highest,and its is higher in heat-affected zone than that in welded seam." @default.
- W2368408914 created "2016-06-24" @default.
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- W2368408914 date "2008-01-01" @default.
- W2368408914 modified "2023-09-26" @default.
- W2368408914 title "Welding of low-temperature steel 07MnNiCrMoVDR and its lowtemperature impact toughness" @default.
- W2368408914 hasPublicationYear "2008" @default.
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