The dislocation structure of this steel during static tension and elastoplastic strain-cycling was studied. It was found that the dislocation density within small-angle boundaries grew with increasing plastic tensile strain. In the case of elastoplastic cycling, it grew with increasing strain amplitude and number of cycles. Growth of the dislocation density within small-angle boundaries during elastoplastic cycling resulted in a smaller shear stress.

The Influence of Elastoplastic Deformation on the Dislocation Structure of 15Kh2MFA Steel. P.V.Yasnii, V.B.Glado, V.B.Gutsailyuk: Strength of Materials, 2003, 35[6], 562-7