溶融Fe-C-SiおよびFe-C-Mn合金における相互拡散

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タイトル別名
  • Interdiffusion in Molten Fe-C-Si and Fe-C-Mn Alloys
  • ヨウユウ Fe C Si オヨビ Fe C Mn ゴウキン ニ オケル ソウゴ

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Ternary isothermal diffusion was studied in molten Fe-C-Si and Fe-C-Mn alloy which are of practical importance in steelmaking process. Two kinds of experimentation were carried out at 1550°C by the diffusion couple method; the first one is based on Fujita's solution4)6), the second on Boltzmann-Matano's solution for ternary system7). The results are summarized as follows:<BR>1) By the method I in Fe-C-Si system (0.304.88%C, 00.77%Si)<BR>Dcc=2.4±0.27, Dcsi=-0.03±0.19, Dsic=0.3±0.13, Dsisi=1.5±0.23.<BR>(×10-4cm2/s)<BR>2) By the method II in Fe-C-Si system (0.480.63%C, 0.080.55%Si)<BR>Dcc=1.141.86, Dcsi=0.010.50, Dsic=-0.210.11, Dsisi=0.330.97.<BR>(×10-4cm2/s)<BR>3) By the method II in Fe-C-Mn system (2.963.22%C, 2.473.69%Mn) Dcc=1.032.58, DCMn=-1.970.55, DMnC=-0.810.15, DMnMn=0.511.93.<BR>(×10-4cm2/s)<BR>Discussion shows that, due to the experimental limitation, the values measured by the method I are larger than those obtained by the method II. The results also satisfy the general properties of diffusion path.

収録刊行物

  • 鉄と鋼

    鉄と鋼 66 (2), 194-200, 1980

    一般社団法人 日本鉄鋼協会

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