Fatigue life enhancement by irradiation of 12Cr1MoV steel with a Zr<sup>+</sup> ion beam. Mesoscale deformation and fracture

Abstract

The structure and properties of 12Cr1MoV steel irradiated with a zirconium ion beam were studied by optical microscopy, scanning electron microscopy, and micro- and nanoindentation. It is shown that the modification covers the entire cross-section of the irradiated specimens to a depth of 1 mm. The data on irradiation-induced structural changes are used to interpret the changes in mechanical properties of the irradiated specimens under static and cyclic loading. Particular attention is given to analysis of strain estimation by the digital image correlation method.

Original language	English
Pages (from-to)	261-272
Number of pages	12
Journal	Physical Mesomechanics
Volume	18
Issue number	3
DOIs	https://doi.org/10.1134/S1029959915030108
Publication status	Published - 24 Jul 2015

Keywords

deformation
digital image correlation
fatigue life
fracture
ion beam treatment
surface nanostructuring

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Surfaces and Interfaces

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10.1134/S1029959915030108

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Fatigue life enhancement by irradiation of 12Cr1MoV steel with a Zr⁺ ion beam. Mesoscale deformation and fracture. / Panin, S. V.; Vlasov, I. V.; Sergeev, Victor Petrovich ; Ovechkin, B. B.; Marushchak, P. O.; Ramasubbu, Sunder; Lyubutin, P. S.; Titkov, V. V.

In: Physical Mesomechanics, Vol. 18, No. 3, 24.07.2015, p. 261-272.

Research output: Contribution to journal › Article › peer-review

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abstract = "The structure and properties of 12Cr1MoV steel irradiated with a zirconium ion beam were studied by optical microscopy, scanning electron microscopy, and micro- and nanoindentation. It is shown that the modification covers the entire cross-section of the irradiated specimens to a depth of 1 mm. The data on irradiation-induced structural changes are used to interpret the changes in mechanical properties of the irradiated specimens under static and cyclic loading. Particular attention is given to analysis of strain estimation by the digital image correlation method.",

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AU - Panin, S. V.

AU - Vlasov, I. V.

AU - Sergeev, Victor Petrovich

AU - Ovechkin, B. B.

AU - Marushchak, P. O.

AU - Ramasubbu, Sunder

AU - Lyubutin, P. S.

AU - Titkov, V. V.

PY - 2015/7/24

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KW - deformation

KW - digital image correlation

KW - fatigue life

KW - fracture

KW - ion beam treatment

KW - surface nanostructuring

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