熔融純鉄の水素の溶解度に及ぼす各種添加元素の影響

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  • The Effects of Various Elements on the Solubility of Hydrogen in Liquid Pure Iron
  • ヨウユウジュンテツ ノ スイソ ノ ヨウカイド ニ オヨボス カクシュ テンカ ゲンソ ノ エイキョウ

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In a previous report the solubility of hydrogen in liquid pure iron was determined with an improved hot-volume method. From the results, the authors judged it possible to measure the effects of various elements on the solubility of hydrogen in liquid pure iron with the same method, and examined the effects of chromium, vanadium, wolfram, molybdenum, nickel and cobalt. The experimental methods were quite the same as those in the previous experiments. According to the previous results, the completely water cooled reaction tube of fused quartz for the melting chamber, helium gas for the standard gas and thoria crucible for the meltingcrucible were used.<BR>The results obtained were as follows:<BR>(1) The solubility of hydrogen in liquid iron was increased by chromium, vanadium, and nickel. It was decreased by wolfram, molybdenum and cobalt.<BR>(2) The effect of carbon on the solubility of hydrogen could not be determined owing to the reaction between thoria and dissolved carbon.<BR>(3) The interaction parameters between each of the alloying elements and hydrogen dissolved in liquid iron in the temperature range from 1550°C to 1650°C were as follows:<BR>(This article is not displayable. Please see full text pdf.)

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