The Effect of Deformation and Irradiation with High-Energy Krypton Ions on the Structure and Phase Composition of Reactor Steels

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The paper presents some results of a complex research of 12Cr18Ni10Ti stainless steel in the initial, deformed and irradiated ( 8436Kr+14, E=130MeV, Fmax=9x1015 ions/сm2) states using magnetometry, X-ray diffraction (XRD) and scanning electron microscopy (SEM) with electron backscattered diffraction (EBSD – analysis). Application of the EBSD method revealed differences between the non-irradiated and irradiated 12Cr18Ni10Ti steel specimens consisting in the fact that in the surface layer of an irradiated sample α-and ε - phases are formed. It was established that the fluence value affects the amount of magnetic α-phase. The study of the martensite α-phase morphology showed that in the deformed steel specimens there is αʹ- martensite of two scale levels.

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88-93

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May 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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