The Effect of Plastification of Cu–14Al–4Ni Alloy with the Shape Memory Effect in High-Temperature Isothermal Precipitation

It was found that deformation by the uniaxial compression scheme (while measuring mechanical properties under isothermal conditions) at 600–800°C leads to a significant refinement of the grain structure, which increases the strength and ductility of Cu–13.95 wt % Al–3.98 wt % Ni alloy, experiencing...

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Bibliographic Details
Published in:Technical physics letters 2020-02, Vol.46 (2), p.118-121
Main Authors: Svirid, A. E., Pushin, V. G., Kuranova, N. N., Belosludtseva, E. S., Pushin, A. V., Lukyanov, A. V.
Format: Article
Language:English
Subjects:
Aluminum
Classical and Continuum Physics
Compression tests
Copper
Deformation effects
Grain structure
High temperature
Martensitic transformations
Mechanical properties
Nickel
Phase composition
Physics
Physics and Astronomy
Shape effects
Shape memory alloys
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Summary:It was found that deformation by the uniaxial compression scheme (while measuring mechanical properties under isothermal conditions) at 600–800°C leads to a significant refinement of the grain structure, which increases the strength and ductility of Cu–13.95 wt % Al–3.98 wt % Ni alloy, experiencing thermoelastic martensitic transformation and related shape memory effects. The structural and phase composition features were studied using scanning and transmission electron microscopy and X-ray diffraction.
ISSN:1063-7850
1090-6533
DOI:10.1134/S1063785020020145