Articles
1.
№3-4, 2017
УДК 621.318.1
Aydullov R.N.2, Burkanov M.V.1, Shubakov V.S.3, Zukov D.G.3
Research of influence heat treatment duration on temperature stability of permanent magnets alloy YuNDK35T5А
Optimum temperature isothermal thermomagnetic treatment of YuNDK35T5А alloys is established. The research of influence heat treatment duration on magnetic properties and temperature stability of material is conducted. It is established, that magnetic properties of the samples, processed at optimum temperature of thermomagnetic treatment don’t change at en-durance, however magnetic properties of the samples processed at non-optimal temperature continue to grow with increase in time of process. It is show that values of temperature coefficient of induction at endurance of 550°С, 100 hours can decrease to 30%. By method of the transaction electron-microscopy it is established that in the heat treatment process the volume fraction of high magnetic particles is changes, that gives the chance to regulate temperature co-efficient of induction in YuNDK35T5А alloy.
Keywords: magnetic properties, high coercive station, temperature coefficient of induction, heat treatment.
Reference List
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11. Kablov E.N., Ospennikova O.G., Rezchikova I.I., Piskorskij V.P., Valeev R.A., Korolev D.V. Zavisimost svojstv spechennyh materialov sistemy Nd–Dy–Fe–Co–B ot tehno-logicheskih parametrov [Properties dependence of the Nd–Dy–Fe–Co–B sintered materials on technological parameters] // Aviacionnye materialy i tehnologii. 2015. №S2 (39). S. 24–29. DOI: 10.18577/2071-9140-2015-0-S2-24-29.
12. Kablov E.N., Ospennikova O.G., Korolev D.V., Piskorskij V.P., Valeev R.A., Rezchikova I.I. Mehanizm vliyaniya soderzhaniya bora i termoobrabotki na svojstva magnitov sistemy Nd–Fe–Al–Ti–B [Influence mechanisms of boron content and heat treatment on the properties of Nd–Fe–Al–Ti–B magnets] // Aviacionnye materialy i tehnologii. 2015. №S2 (39). S. 30–34. DOI: 10.18577/2071-9140-2015-0-S2-30-34.
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14. Mitkevich A.V. Stabilnost postojannyh magnitov. Leningradskoe otdelenie. Jenergija [Stability of constant magnets. Leningrad department. Energy]. 1971. 128 s.
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16. Bulygina T.I., Sergeev V.V. Temperaturnaja stabil'nost' postojannyh magnitov iz splavov sistemy Fe–Co–Ni–Al v intervale temperatur -180÷+550°C [Temperature stability of constant magnets from Fe–Co–Ni–Al system alloys in the range of temperatures -180÷+550°C] // Trudy VNIIJeM. 1971. T. 35. S. 18–22.
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20. Shestaja mezhdunarodnaja konferencija «Kristallofizika i deformacionnoe povedenie perspektivnyh materialov» [Sixth international conference «Crystalophysics and deformation behavior of perspective materials]. Tezisy dokladov. M. MISiS. 2015. S. 294.
21. Kablov E.N. Innovacionnye razrabotki FGUP «VIAM» GNC RF po realizacii «Strategicheskih napravlenij razvitiya materialov i tehnologij ih pererabotki na period do 2030 goda» [Innovative developments of FSUE «VIAM» SSC of RF on realization of «Strategic directions of the development of materials and technologies of their processing for the period until 2030»] // Aviacionnye materialy i tehnologii. 2015. №1 (34). S. 3–33. DOI: 10.18577/2071-9140-2015-0-1-3-33
