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Authors
Fenocchio, L.; Cacciamani, G.; Dreval, L.
Title
C-Cr-Ta Ternary Phase Diagram Evaluation
Category
Ternary Evaluations
Source
MSI Eureka
Editor
Watson, A. (Ed.)
Publisher
MSI, Materials Science International Services GmbH, Stuttgart
Publication year
2024
Version
1
Document ID
10.18397.1.4
Fenocchio, L.; Cacciamani, G.; Dreval, L., “C-Cr-Ta Ternary Phase Diagram Evaluation”, in MSI Eureka, Watson, A. (Ed.), MSI, Materials Science International Services GmbH, Stuttgart (2024), Document ID: 10.18397.1.4 (Crys. Structure, Phase Diagram, Phase Relations, Assessment, 37)

Carbon – Chromium – Tantalum

Lorenzo Fenocchio, Gabriele Cacciamani, Liya Dreval

Abstract

The C-Cr-Ta ternary system is here critically assessed. No ternary C-Cr-Ta phase exists in the system and the (Ta1-yCry)C1-x carbide is the predominant phase, being in equilibrium with all the other phases except (Ta) at the solidus temperature. Isothermal and vertical sections, together with liquidus and solidus projections are here reported, after checking for data consistency and compatibility with the adopted binary subsystems. A complete reaction scheme is also proposed. Overall, no major contradictions exist among the experimental data, also showing good topological agreement with the available thermodynamic assessment.

Cited references - 37, figures - 9, tables - 4, chapters - 12

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