The features of structure formation of TiNi sintered intermetallic compound

The features of structure formation of TiNi sintered intermetallic compound

The work investigates the structure of calcium hydride TiNi powdered intermetallic compound. Using X-ray structural and metallographic analysis, it is established that the initial powder contains the B2 and B19′ phases. After consolidation, the martensite structure is changed completely. Scanning el...

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Bibliographic Details
Published in:Inorganic materials : applied research Vol. 6; no. 4; pp. 350 - 354
Main Authors: Markova, G. V., Kasimtsev, A. V., Shuytsev, A. V., Sviridova, T. A.
Format: Journal Article
Language:English
Published: Moscow Pleiades Publishing 17-07-2015
Subjects:
Chemistry
Chemistry and Materials Science
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
calcium hydride method
intermetallic compounds
powder metallurgy
consolidation
TiNi
martensite
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Summary:The work investigates the structure of calcium hydride TiNi powdered intermetallic compound. Using X-ray structural and metallographic analysis, it is established that the initial powder contains the B2 and B19′ phases. After consolidation, the martensite structure is changed completely. Scanning electron microscopy has established that the compacted material contains the Ti 2 Ni and Ti 2 N phases. It is assumed that such evolution of the structure is due to increased content of nitrogen adsorbed by the powder surface and decomposition of metastable compounds.
ISSN:2075-1133
2075-115X
DOI:10.1134/S2075113315040164