LOW-ALLOYED ALLOYS ON THE BASE OF MOLYBDENUM, PREPARATION, PROPERTIES

1 DRÁPALA Jaromír
Co-authors:
1 VESELÝ Marek 1 KOSTIUKOVÁ Gabriela 1 LOSERTOVÁ Monika 1 PETLÁK Daniel
Institution:
1 VSB - Technical University of Ostrava, Ostrava, Czech Republic, EU, Jaromir.Drapala@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:
1436-1444
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:
527 views / 313 downloads
Abstract

Literary research of high-temperature materials, overview of used materials. Molybdenum and its alloys, properties, possibilities of the application in the vacuum technique, electrotechnics and electronics. Methods of preparation of molybdenum alloys even in the monocrystalline form (plasma metallurgy and electron beam zone melting). Evaluation of micro-structural (optical microscope, scanning electron microscope), chemical (optical emission spectroscopy, x-ray and EDX analyses) of Mo-Ta, Mo-V and Mo-Ir alloys. Distribution of iridium in molybdenum by electron beam zone melting, dislocation and cellular substructure in molybdenum single crystals, application of autoradiography.

Keywords: Molybdenum alloys, crystal growth, microstructure, segregation, concentration undercooling

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