Optimization of the Heat Treatment of a Hard Magnetic Fe–30Cr–16Co Powder Alloy

The heat treatment of a hard magnetic Fe–30Cr–16Co powder alloy is optimized by experimental design using the Statgraphics and Statistica software. The alloy is prepared by a traditional powder metallurgy procedure using domestic powders. The optimization allows us to reach magnetic hysteretic prope...

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Bibliographic Details
Published in:Russian metallurgy Metally 2021-07, Vol.2021 (7), p.892-897
Main Authors: Milyaev, I. M., Alymov, M. I., Milyaev, A. I., Yusupov, V. S., Zelenskii, V. A., Ustyukhin, A. S.
Format: Article
Language:English
Subjects:
Alloying elements
Chemistry and Materials Science
Coercivity
Design of experiments
Design optimization
Heat treatment
Magnetic properties
Materials Science
Metallic Materials
Powder metallurgy
Remanence
Ternary alloys
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Summary:The heat treatment of a hard magnetic Fe–30Cr–16Co powder alloy is optimized by experimental design using the Statgraphics and Statistica software. The alloy is prepared by a traditional powder metallurgy procedure using domestic powders. The optimization allows us to reach magnetic hysteretic properties (remanence B r , coercive force H cB , maximum energy product ( BH ) max ) for the ternary alloy free from any additional alloying elements, which are higher than those for an industrial YuNDK24 alloy (GOST 17809–71) with a cobalt content higher by 30%.
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S0036029521070077