Abstract
The paper deals with dislocation structure of 15Kh2MFA steel upon static tension and elastoplastic strain cycling is studied. The dislocation density within small-angle boundaries is shown to grow with increasing plastic tensile strain and, in the case of elastoplastic cycling, with increasing strain amplitude and number of cycles. The growth of the dislocation density within small-angle boundaries upon elastoplastic cycling results in a smaller shear stress.
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