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Alloying behavior of Co3Ti

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Abstract

The alloying (substitution) behavior of Ll2-type Co3Ti({fx1433-01}) compound was investigated at an isothermal section of 1323 K by the observation of the direction of solubility lobe of Ll2 phase. The solubility lobes of additions of V, Ta, Cr, W, and Al indicated that they substitute for Ti site, those of Ni and Cu for Co site, and that of Fe for both sites. However, the preferable substitution natures for additions of Zr, Hf, Nb, Mn, and Si, and of Mo and Ge were not determined because of the small solubility limit, and because of no preferable solubility lobe, respectively. The substitution behavior and solubility limit obtained in the ternary Co3Ti compound were evaluated with the thermo-dynamic concept.

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Authors and Affiliations

  1. Tohoku University, Sendai, Japan

    Osamu Izumi (Professor)

Authors
  1. Yi Liu
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  2. Takayuki Takasugi
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  3. Osamu Izumi
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The Research Institute for Iron, Steel and Other Metals

The Research Institute for Iron, Steel and Other Metals

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Liu, Y., Takasugi, T. & Izumi, O. Alloying behavior of Co3Ti. Metall Trans A 17, 1433–1439 (1986). https://doi.org/10.1007/BF02650125

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  • DOI: https://doi.org/10.1007/BF02650125

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