Soviet Powder Metallurgy and Metal Ceramics

, Volume 6, Issue 4, pp 287–290 | Cite as

Ternary systems nio bium-rhenium-carbon and tantalum-rhenium-carbon

  • L. V. Gorshkova
  • T. F. Fedorov
  • Yu. B. Kuz'ma
Test Methods and Properties of Materials


The systems Nb-Re-C and Ta-Re-C were investigated by the methods of x-ray and metallographic analyses. The phase equilibria in these systems at 1800°C were determined (Figs. 1 and 3). In the ascast high-rhenium alloys, a metastableϑ -phase was detected. Theϑ -phase could not be obtained in the pure form; this phase is in equilibrium with NbC and TaC. Theσ -phase does not exist in the system Ta-Re at 1800°C.


Phase Equilibrium Ternary System Pure Form Metallographic Analysis 
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Copyright information

© Consultants Bureau 1967

Authors and Affiliations

  • L. V. Gorshkova
    • 1
  • T. F. Fedorov
    • 1
  • Yu. B. Kuz'ma
    • 1
  1. 1.A. A. Baikov Institute of MetallurgyI. Franko Lvov Lenin Order State UniversityUSSR

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