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Structure and Properties of Ni47Mn42In11 Alloy after Severe Plastic Deformation

This work has studied the effect of severe plastic deformation performed by high pressure torsion at 8 GPa and room temperature on the crystallographic structure, microhardness, and magnetic susceptibility of the ferromagnetic Ni 47 Mn 42 In 11 alloy. The size of structural elements decreases, where...

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Bibliographic Details
Published in:Physics of metals and metallography 2019-02, Vol.120 (2), p.171-176
Main Authors: Kaletina, Yu. V., Greshnova, E. D., Kaletin, A. Yu, Frolova, N. Yu, Pilyugin, V. P.
Format: Article
Language:English
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Summary:This work has studied the effect of severe plastic deformation performed by high pressure torsion at 8 GPa and room temperature on the crystallographic structure, microhardness, and magnetic susceptibility of the ferromagnetic Ni 47 Mn 42 In 11 alloy. The size of structural elements decreases, whereas the fraction of a ductile fracture constituent and the microhardness increase with increasing true strain. Severe plastic deformation performed by high pressure torsion results in phase transformation. No modulated martensite is observed in the structure after deformation.
ISSN:0031-918X
1555-6190
DOI:10.1134/S0031918X19020078