Relaxation of mechanical stresses in Ni3Al single crystals irradiated with high-power ion beams

A. N. Tyumentsev, M. V. Tret'yak, A. D. Korotaev, Yu P. Pinzhin, D. A. Shchipakin, G. E. Remnev, I. F. Isakov

Research output: Contribution to journalArticle

Abstract

Transmission electron microscopy and microhardness measurements were used to study mechanisms of strengthening and the formation of the defect substructure in the course of relaxation of thermomechanical stresses generated in single crystals of Ni3Al by high-power ion beams (HIBs) of carbon and hydrogen at a power density of 5 × 107 and 108 W/cm2. The main structural types of plastic flow localization zones that are formed as a result of activation of collective modes of relaxation of stresses generated by HIBs were revealed. The fine defect structure of these zones was studied in detail. The nature and possible mechanisms of deformation localization in the zone of ion-beam modification are discussed.

Original languageEnglish
Pages (from-to)618-625
Number of pages8
JournalPhysics of Metals and Metallography
Volume90
Issue number6
Publication statusPublished - Dec 2000

Fingerprint

Ion beams
ion beams
Single crystals
single crystals
plastic flow
Defect structures
defects
substructures
Plastic flow
Microhardness
microhardness
radiant flux density
Hydrogen
Carbon
Chemical activation
activation
Transmission electron microscopy
Defects
transmission electron microscopy
carbon

ASJC Scopus subject areas

  • Metals and Alloys

Cite this

Tyumentsev, A. N., Tret'yak, M. V., Korotaev, A. D., Pinzhin, Y. P., Shchipakin, D. A., Remnev, G. E., & Isakov, I. F. (2000). Relaxation of mechanical stresses in Ni3Al single crystals irradiated with high-power ion beams. Physics of Metals and Metallography, 90(6), 618-625.

Relaxation of mechanical stresses in Ni3Al single crystals irradiated with high-power ion beams. / Tyumentsev, A. N.; Tret'yak, M. V.; Korotaev, A. D.; Pinzhin, Yu P.; Shchipakin, D. A.; Remnev, G. E.; Isakov, I. F.

In: Physics of Metals and Metallography, Vol. 90, No. 6, 12.2000, p. 618-625.

Research output: Contribution to journalArticle

Tyumentsev, AN, Tret'yak, MV, Korotaev, AD, Pinzhin, YP, Shchipakin, DA, Remnev, GE & Isakov, IF 2000, 'Relaxation of mechanical stresses in Ni3Al single crystals irradiated with high-power ion beams', Physics of Metals and Metallography, vol. 90, no. 6, pp. 618-625.
Tyumentsev AN, Tret'yak MV, Korotaev AD, Pinzhin YP, Shchipakin DA, Remnev GE et al. Relaxation of mechanical stresses in Ni3Al single crystals irradiated with high-power ion beams. Physics of Metals and Metallography. 2000 Dec;90(6):618-625.
Tyumentsev, A. N. ; Tret'yak, M. V. ; Korotaev, A. D. ; Pinzhin, Yu P. ; Shchipakin, D. A. ; Remnev, G. E. ; Isakov, I. F. / Relaxation of mechanical stresses in Ni3Al single crystals irradiated with high-power ion beams. In: Physics of Metals and Metallography. 2000 ; Vol. 90, No. 6. pp. 618-625.
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