In this paper we map out the 1300°C isothermal section in the Ti–In–C ternary system. Two ternary compounds exist: Ti2InCα and Ti3InC. At 1300°C TiCx is in equilibrium with all phases, Ti3InC is in equilibrium with all the phases except C, and Ti2InC is in equilibrium with all phases except Ti and C. The range of in Ti3InC varies from 0.95 to 0.8. A correlation was found between and the lattice parameters of this phase. The maximum solubilities of In and C in Ti are 14 and 4 at.%, respectively. Similarly, α in Ti2InCα varies from ≈0.85 to 1. The dissolution of ∼4±0.3 at.% In in TiCx reduces the C concentration to ≈24 at.%. In the In-rich corner, a liquid region exists.
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Document Type: Research Article
Department of Materials Science and Engineering, Drexel University, Philadelphia, Pennsylvania 19104
Department of Physical Chemistry, University of Vienna, Vienna, Austria
Publication date: May 1, 2005