Conclusions
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1.
Heat treatment of magnets in brass heat removes results in better and more consistent magnetic properties as compared with the existing treatment in liquid aluminum, and also a high-quality surface.
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2.
No difference was found in the structures of magnets treated by the old and new methods.
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3.
To obtain better magnetic properties it is expedient to manufacture magnets of the four-pole rotary type from alloy 2.
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Novocherkassk Scientific-Research Institute of Permanent Magnets. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 71–72, January, 1973.
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Lanko, A.I., Oblezin, A.G. & Slyusarev, I.F. Treatments for ticonal magnets. Met Sci Heat Treat 15, 76–77 (1973). https://doi.org/10.1007/BF00648467
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DOI: https://doi.org/10.1007/BF00648467