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- W2063350132 abstract "Laboratory experiments have been conducted on a series of vanadium and vanadium-nitrogen steels, subjected to a quench-and-temper heat treatment. The results indicate that a good combination of strength and toughness is obtained in a quenched-and-tempered, aluminum-free, V-N steel (YS=648 MPa, 55 J EATT <−60°C). There is a continuous decrease in impact toughness with increasing aluminum content for both V and V -N steels. The reduced hardenability of the nitrogen-bearing steels is attributed to the grain-refining effect of VN and AlN precipitates which form during the 920°C austenitizing treatment. Résumé Des essais de laboratoire ont été faits sur une série d'aciers au vanadium et à,u vanadium et azote, aciers sujets it un traitement de trempe et revenu. Les résultants montrent qu'une bonne combinaison de resistance et de résilience est obtenue pour un acier V-N, sans aluminium, trempé et revenu (E = 648 MPa, 55 J EATT <−60°C). En augmentant la teneur en aluminium des aciers V et V-N, la resilience diminue continuellement. La moindre trempabilite des aciers con tenant de l'azote est attribuée à l'affinement du grain provoqué par les nitrures VN et AlN qui se forment durant l'austénitisation à 920°C." @default.
- W2063350132 created "2016-06-24" @default.
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- W2063350132 date "1977-01-01" @default.
- W2063350132 modified "2023-10-14" @default.
- W2063350132 title "The Microstructure and Properties of Quenched-and-Tempered HSLA & V-N Steels" @default.
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- W2063350132 doi "https://doi.org/10.1179/cmq.1977.16.1.176" @default.
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