Ni-Al-Mn基合金的燃烧合成及磁性能研究

IF 0.5 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2022-06-25 DOI:10.3103/S106138622202011X

A. E. Sytschev, N. A. Kochetov, P. A. Lazarev, Yu. G. Morozov, S. G. Vadchenko, I. D. Kovalev, M. L. Busurina

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摘要

研究了Mn的加入对Ni-Al-Mn合金的燃烧合成、形貌、相组成和磁性能的影响。采用机械活化和高温自传播合成相结合的方法制备了不同Mn浓度(x = 0 ~ 1.5)的Ni-Al-xMn合金。结果表明，随着Mn含量的增加，合金的相组成发生了变化，从而导致了磁性能的变化。Ni-Al-0.5Mn合金在室温下表现出常规铁磁材料的正常σ-H曲线。当Mn含量为24 wt %时，合金的矫顽力最大值为179.7 Oe，比磁化强度为0.8 emu/g。

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Combustion Synthesis and Magnetic Properties of Ni–Al–Mn Based Alloy

The influence of Mn addition on combustion synthesis, morphology, phase composition, and magnetic properties of the Ni–Al–Mn alloys was investigated. Ni–Al–xMn alloys with various Mn concentration (x = 0–1.5) were prepared by combined use of mechanical activation and self-propagating high-temperature synthesis (SHS). It was found that the phase composition of synthesized alloys is changed by increasing Mn content, which in turn causes the change in magnetic properties. Ni–Al–0.5Mn alloy at room temperature showed the normal σ–H curve typical of conventional ferromagnetic materials. The maximum values of coercive force (179.7 Oe) and specific magnetization (0.8 emu/g) were observed for alloy containing 24 wt % Mn.

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来源期刊

International Journal of Self-Propagating High-Temperature Synthesis MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

33.30%

发文量

期刊介绍： International Journal of Self-Propagating High-Temperature Synthesis is an international journal covering a wide range of topics concerned with self-propagating high-temperature synthesis (SHS), the process for the production of advanced materials based on solid-state combustion utilizing internally generated chemical energy. Subjects range from the fundamentals of SHS processes, chemistry and technology of SHS products and advanced materials to problems concerned with related fields, such as the kinetics and thermodynamics of high-temperature chemical reactions, combustion theory, macroscopic kinetics of nonisothermic processes, etc. The journal is intended to provide a wide-ranging exchange of research results and a better understanding of developmental and innovative trends in SHS science and applications.