鋼の遷移温度に及ぼす C, As, Cu, Sn の影響

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This paper gave results of U-notch Charpy tests which were carried out at several temperatures ranging from -80°to 400℃ for the purpose of determining the effect of arsenic, copper, tin and molybdenum on the transition temperature of dead soft steel and also determining the effect of carbon and arsenic on the transition temperature of carbon steels. The results obtained were as follows : 1) Carbon raised the fracture transition temperature of steel but in case of U-notch Charpy test it did not raise the ductility transition temperature such as that which was defined by 15 ft-1b energy. 2) Arsenic raised the transition temperature of steel, but arsenic less than 0.1% did not change the transition temperature of steel even when it was contained alone in steel or together with copper and tin. 3) Copper less than 0.35% does not change the transition temperature of dead soft steel when it is contained alone in steel or together with tin and arsenic. 4) Tin less than 0.1% did not change the transition temperature of dead soft steel when it was contained alone in steel or together with copper and arsenic. 5) Nitrogen in the form of aluminum-nitride, lowered the transition temperature and the nitrogen not in the form of this compound seemed to raise the transition temperature of steel. 6) The effect of molybdenum on the transition temperature of dead soft steel could not be determined because the results of the experiments were at variance.
社団法人日本鉄鋼協会の論文
1955-08-01

鋼の遷移温度に及ぼす C, As, Cu, Sn の影響

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