S. Gladkovsky, I. Kamantsev, V. Veselova, Yu. V. Khudorozhkova
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Martensitic transformations in plastic and fracture zones of the 05g20s2 metastable steel during cyclic tests
X-ray diffraction analysis, EBSD technique, and transmission electron microscopy are used to reveal the features of phase and microstructural transformations developing in plastic strain and fracture zones of the 05G20S2 metastable steel (Fe-20Mn-2Si). The dependence of the phase composition of the steel on the fatigue fracture surface on the value range of the stress intensity coefficient at the fatigue crack tip is determined.
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