Evolution of deformation domains and kinetics of fatigue fracture of Duralumin polycrystals at the mesoscopic level

Panin, V. E.; Pleshanov, V. S.; Kibitkin, V. V.

doi:10.1134/1.1261948

Cited by 1 publication

(2 citation statements)

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“…The vector fields for the untreated specimens (.igs. 12a and 12c) represent displacements typical for brittle-ductile growth of a fatigue crack [12] when opening of its tip is preceded by translational-rotational vortex motion of material. In the region of crack growth, a clearly defined deformation relief in the form of slip traces and folds at grain boundaries arises (.ig.…”

Section: Alternate Cyclic Bendingmentioning

confidence: 99%

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

et al. 2015

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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. 261 262 PANIN et al. PHYSICAL MESOMECHANICS Vol. 18 No. 3 2015 .ig. 1. Schematic of ion beam treatment: 1specimens; 2 ion gun.

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Section: Alternate Cyclic Bendingmentioning

confidence: 99%

“…In our opinion, the fatigue crack propagates through coalescence of microcracks at the boundaries of structural elements. At the next stage of fatigue fracture [12], the mechanism of crack growth can be characterized as opening mode cracking (.igs. 12e and 12g).…”

Section: Alternate Cyclic Bendingmentioning

confidence: 99%