Abstract

Binary alloys of the Fe-Ni system were used to study the regularities involved in the cold mechanical synthesis realized by pressure shear in Bridgman anvils. The alloy formation was found to depend on the crystal lattice symmetry: the solid solution is formed in mixtures of components having a similar symmetry of the crystal lattice but the alloy formation is retarded or does not occur altogether in mixtures of components having different symmetries of the crystal lattice. The kinetics of the alloy formation in mixtures of Fe-Ni solid solutions with a FCC lattice was determined. The phase transformations were found to affect the kinetics and the alloy formation mechanism in mixtures whose components are pressure- and strain-unstable.

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