Influence of the chemical composition of the matrix on the structure and properties of monolithic SHS composites

OBRABOTKAMETALLOV MATERIAL SCIENCE Vol. 23 No. 3 2021 Ta b l e 2 Phase composition, hardness and density of SHS composites No. Matrix elements Phase composition HRC ρ, kg/m 3 R bm 30, МPа 1 Fe γ-solid solution Ti in FCC lattice of Fe, TiC, TiB 2 63–68 6500 800 2 Fe-Ni γ-solid solution Ni in FCC lattice of Fe, Fe 2 B, TiC, TiB 2 , Ni 3 Ti 66–70 7000 620 3 Fe-Ni-Cr γ- solid solution Ni in FCC lattice of Fe, α- solid solution Cr in bcc lattice of Fe, TiC, TiB 2 , Ni 3 Ti, Cr 23 C 6 68–72 6900 670 4 Cu solid solution Ti in FCC lattice of Cu, TiC, TiB 2 , B 4 C, B 65–70 6700 830 Fig. 4. Chemical elements distribution in the regions with the dendritic structure of the composite Fe-Ni-Ti-C-B: a – image in secondary electrons; b – in the characteristic X-ray radiation Fe; c – Ni; d – Ti; e – C; f – B a b c d e f