PREPARATION AND CHARACTERIZATION OF MASTER ALLOYS SUITABLE FOR THE PRODUCTION OF INTERMETALLIC COMPOUNDS BASED ON GAMMA-TIAL

1 ČEGAN Tomáš
Co-authors:
1 PETLÁK Daniel 1 JUŘICA Jan
Institution:
1 VSB - Technical University of Ostrava, Ostrava, Czech Republic, EU, tomas.cegan@vsb.cz
Conference:
28th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 22nd - 24th 2019
Proceedings:
Proceedings 28th International Conference on Metallurgy and Materials
Pages:
1416-1421
ISBN:
978-80-87294-92-5
ISSN:
2694-9296
Published:
4th November 2019
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
32 views / 10 downloads
Abstract

γ-TiAl based alloys are very perspective materials thanks to their outstanding properties, such as high specific strength, low density, high modulus of elasticity, good oxidation resistance and resistance to creep. At present, the greatest attention is paid to TiAl alloys which contain relatively high content of refractory metals such as Nb, Ta, Mo and W. The main objective of this paper is, how to transform the refractory W, Ta or Nb into the form of master alloys, suitable for preparation of heavy alloyed γ-TiAl intermetallic alloys and characterize the homogeneity, microstructure and other properties (oxygen content, melting temperature) important for their further using.

Keywords: Intermetallics, refractory metals, microstructure, plasma melting
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