Abstract
The work is devoted to the use of self-propagating high-temperature synthesis for producing aluminum-manganese alloy in the MnО3 AI system. The experiment was carried out in a specially designed SHS reactor at various pressures with and without preliminary heating. The synthesized samples were studied by X-ray diffraction, metallographic, and X-ray spectral analysis; compression tests were performed. X-ray powder diffraction data showed the presence of intermetallic compounds of different stoichiometries: Al8Mn5, Al11Mn4, and Al6Mn. It was established that the main phase is the Al8Mn5 intermetallic compound. The structure of the sample has a needle structure. The alloy has a high hardness of structural components: from 624 HV to 934 HV.
 High compressive strength and high hardness are evidence that the synthesized alloy is a direct competitor to hard alloys.
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