Abstract
A heterophase alloy with hardness 103 HRB and a porosity of ~5% is produced by sintering compacts from a Ti–Cr–Fe–Ni–Cu multicomponent charge. It is demonstrated that after sintering a mixture of elemental powders, four phases with different types of lattice are formed: (i) two multicomponent phases with FCC-lattice, (ii) one Cr–Fe phase with BCC-lattice, and (iii) one phase with HCP-lattice with crystallographic constants based on titanium lattice. Well-defined peaks of Cr2Ti, Fe2Ti, and Ni3Ti intermetallides are seen in the X-ray photograph of the alloy.
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