This article describes mechanical properties such as tensile strength, yield strength, impact resistance and correlation between conditions determining the breakthrough and nature Fe40Al5Cr0.2TiB alloy. The breakthroughs obtained during the tests of mechanical properties were carry out by scanning electron microscopy (SEM). Insufficient plasticity at ambient temperatures and a tendency to brittle fracture make the material vulnerable to brittle fracture, and breakthroughs in areas with plastic deformation differ by their morphology from the ductile fractures found in conventional construction materials. The intention of the authors was to classify the breakthroughs of FeAl intermetallic alloys based on the mechanism of their formation.Keywords: FeAl alloys, mechanical properties, structure, cracking
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