Conclusions
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1.
The addition of 0.9% Si to alloy YuNDK24 increases the incubation period to 1.5 h at 950°, which permits the use of LTTMT.
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2.
LTTMT ensures high magnetic properties of alloy YuNDK24 with 0.9% Si. This treatment can be recommended for the production of permanent magnets.
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Literature cited
N. I. Mikheev and G. F. Stolyar, "The high-temperature transformation in Magnico alloys," in: Hard Magnetic Materials [in Russian], Vol. II, NIIPM, Rostov-on-Don (1971), pp. 3–9.
Additional information
Novocherkassk Scientific-Research Institute of Permanent Magnets. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 67–68, January, 1975.
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Kozlov, Y.I., Arsirii, I.M., Stolyar, V.F. et al. Effect of silicon on the properties of alloy YuNDK24 with low-temperature thermomagnetic treatment. Met Sci Heat Treat 17, 74–75 (1975). https://doi.org/10.1007/BF00663097
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DOI: https://doi.org/10.1007/BF00663097