各種鉄材と純アルミニウム溶湯との反応

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タイトル別名
  • Reactions of various kinds of iron on pure liquid aluminum
  • チタン チュウゾウヨウ イガタ 4
  • Reactions of iron with liquid aluminum (1st Report)
  • 鉄材と溶融アルミニウムとの反応 (第1報)

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抄録

This paper reports the reactions of aluminum on various kinds of steel and cast iron immersed in pure liquid aluminum at 770°C for 0.5-128hr. Erosion or weight loss of iron during immersion decreased with the increase of carbon content in iron up to about 1% and was kept at constant for more increase of the content. However, the state of reaction zone in iron depended upon its carbon content and width. Neither diffusion layer (solid solution of iron and aluminum) nor high carbon layer was identified on the boundary between the iron matrix and the reaction zone as the results of electron-probe microanalysis. The reaction zone consisted of two layers; i. e., outer layer composed of fine particle constituents of FeAl3 and aluminum, and inner layer of intermetallic compound Fe2Al5 having columnar morphology. The microhardness of the former was Hv 500-100 and that of the latter was Hv 1, 000. In the former, the iron content gradually decreased towards outside, and on the contrary, aluminum content increased. However, in the latter, both contents of iron and aluminum were unvaried throughout the layer.

収録刊行物

  • 軽金属

    軽金属 18 (9), 467-473, 1968

    一般社団法人 軽金属学会

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