Structure of low cobalt Fe-Cr-Co-based alloy for permanent magnets |
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| Authors: | Milyaev A I Korznikova G F Korznikov A V Kovneristii Ju K Yusupov V S |
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| Affiliation: | A. A. Baikov Institute of Metallurgy and Materials Science RAS, Moscow 119991, Russia Institute of Problems of Superplasticity of Metals RAS, Ufa 450001, Russia Institute of Problems of Superplasticity of Metals RAS, Ufa 450001, Russia A. A. Baikov Institute of Metallurgy and Materials Science RAS, Moscow 119991, Russia A. A. Baikov Institute of Metallurgy and Materials Science RAS, Moscow 119991, Russia |
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| Abstract: | Results of an experimental research into evolution of structure and micro hardness hard magnetic alloy Fe-30Cr-8Co-0.7Ti-0.5V-0.7Si at complex two-level in isothermal conditions on the circuit deposittorsion at various temperatures in single-phase ( are given. It is revealed that deformation results in transformation of coarse-grained structure in fine-grained in all volume of the sample, however the generated structure is non-uniform on section of a sample. In an active zone of deformation near to mobile it is brisk the microcrystalline layer with the size of grains about 5 microns which thickness poorly depends on temperature is formed. In process of removal from an active zone of deformation the size of grains is increased, and micro hardness decreases. |
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