Abstract
The results of studies on localized shear strain in high-strength steel, a titanium alloy, and mild sheet steel under impact loading are given. The analysis of experimental results, microstructural changes, and numerical simulation demonstrates that adiabatic shear bands formed at high-rate deformation are influenced by strain hardening and heating in plastic flow and phase transformations in a material. The distribution of temperatures in the regions of strain localization is responsible for the development of microstructural changes. Nonuniform deformation without intense strain localization develops at lower shear rates and small strain increments per loading cycle, eliminating considerable heating of a material.
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