Anisotropy in Characteristics of Low-Cycle Fatigue and the Structure of Single Crystals of Intermetallic Nickel Alloy VKNA25

There is a pronounced anisotropy in the characteristics of low-cycle fatigue and the static elastic modulus of single crystals of intermetallic nickel alloy VKNA25 studied at high temperatures. The anisotropy of single crystals is determined by the axial crystallographic orientation. There is an una...

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Bibliographic Details
Published in:Inorganic materials : applied research 2020, Vol.11 (1), p.218-225
Main Authors: Belyaev, M. S., Bazyleva, O. A., Gorbovets, M. A., Arginbaeva, E. G.
Format: Article
Language:English
Subjects:
Alloys
Anisotropy
Chemistry
Chemistry and Materials Science
Crystal structure
Crystallography
Elastic anisotropy
Elastic limit
Fatigue limit
Heat resistant alloys
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Low cycle fatigue
Materials Science
Mechanical properties
Metal fatigue
Modulus of elasticity
Nickel alloys
Nickel base alloys
Single crystals
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Summary:There is a pronounced anisotropy in the characteristics of low-cycle fatigue and the static elastic modulus of single crystals of intermetallic nickel alloy VKNA25 studied at high temperatures. The anisotropy of single crystals is determined by the axial crystallographic orientation. There is an unambiguous relationship between the values ​​of the low-cycle fatigue limit and static elastic modulus E . The differences in structure and mechanical characteristics of single crystals of intermetallic and traditional heat-resistant nickel alloys are described.
ISSN:2075-1133
2075-115X
DOI:10.1134/S2075113320010062