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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Abstract
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.
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.
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