The Reaction of Carbon with Nickel-Base Solid Solution Alloy Containing Carbide-Forming Element

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  • Niki Eiji
    Aeronautical Research Institute, University of Tokyo
  • Masato Kazuo
    Aeronautical Research Institute, University of Tokyo

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  • 炭化物形成元素を含むNi基固溶体合金と炭素の反応
  • タンカブツ ケイセイ ゲンソ オ フクム Niキ コヨウタイ ゴウキン ト タンソ ノ ハンノウ

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Abstract

The systems Ni-Ti-C, Ni-V-C, Ni-Zr-C, Ni-Nb-C, Ni-Mo-C, Ni-Ta-C, and Ni-W-C were studied by means of gas carburization and electron probe microanalysis in the nickel-rich portion. The solubility of carbon and each carbide-forming element in nickel at 1100°C were determined as follows : ([A] is the atomic percent of A.)<BR>(This article is not displayable. Please see full text pdf.) <BR>The hardness of the carburized alloy was measured by a micro-hardness tester. The result showed that the increase in hardness was negligibly small with the carburization. It was thought that the hardening of the matrix itself is necessary for the hardness of the carburized layer under such a condition of carbide-dispersion as in the present work.

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