Phase equilibria in the Sc-M-C ternary systems

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作者：

I.N.Frantsevich Inst for Problems of, Materials Science, Kyiv, Ukraine ^{[1
]}

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来源：

Calphad | / 1卷 / 69-84期

关键词：

Carbides - Gibbs free energy - Mathematical models - Phase diagrams - Phase equilibria - Scandium alloys;

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摘要：

Scandium as an important component of alloys continuously grows. The investigation of alloy phase diagrams containing scandium, in particular, Sc-M-C systems is of special interest. Scandium has a twofold nature, it forms the B1 carbide like d-metals of IV-VI groups and also forms two carbides with the higher carbon content. The possibility of calculation for the Sc-M-C phase diagrams arose recently, as the experimental thermodynamic data for scandium carbides have been obtained. However, there are some difficulties in applying these data. A coupled model set of phase equilibria and thermodynamic properties for Sc-C system is constructed based on the recent experimental data.

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