M. L. Busurina, O. D. Boyarchenko, K. V. Zakharov, D. E. Andreev, Yu. G. Morozov, A. E. Sychev
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Synthesis, Structure, and Magnetic Properties of 2Ni–Al–Mn-Based Alloy
For the first time, an intermetallic 2Ni–Mn–Al-based alloy is prepared by self-propagating high-temperature synthesis (SHS) combined with centrifugal casting. According to X-ray diffraction data, the main phase of the SHS product is the (Ni,Mn)3Al nickel aluminide solid solution with the partial substitution of manganese for nickel. The study of the microstructure shows a low aluminum content at the boundaries of the (Ni,Mn)3Al main phase. The averaged microhardness of the synthesized alloy is 8500 ± 45 MPa and the peak hardness is 11500 MPa. The alloy exhibits soft magnetic properties. The maximum magnetization in a field of 796 kA/m (10 kOe) is Js = 1.1 (A m2)/kg (emu/g) and the coercive force is Hc = 14.3 kA/m (179.7 Oe).
期刊介绍：
Russian Metallurgy (Metally) publishes results of original experimental and theoretical research in the form of reviews and regular articles devoted to topical problems of metallurgy, physical metallurgy, and treatment of ferrous, nonferrous, rare, and other metals and alloys, intermetallic compounds, and metallic composite materials. The journal focuses on physicochemical properties of metallurgical materials (ores, slags, matters, and melts of metals and alloys); physicochemical processes (thermodynamics and kinetics of pyrometallurgical, hydrometallurgical, electrochemical, and other processes); theoretical metallurgy; metal forming; thermoplastic and thermochemical treatment; computation and experimental determination of phase diagrams and thermokinetic diagrams; mechanisms and kinetics of phase transitions in metallic materials; relations between the chemical composition, phase and structural states of materials and their physicochemical and service properties; interaction between metallic materials and external media; and effects of radiation on these materials.
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