Relaxation of mechanical stresses generated by high-power ion beams in a vanadium alloy

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

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2 Citations (Scopus)

Abstract

Mechanisms of the defect substructure formation in the alloy V-0.45% Zr-0.2% C (at. %) upon relaxation of mechanical stresses generated by irradiation with a pulsed beam of protons and carbon ions at a power density of 5 x 10 7 W/cm 2 at various distances below the irradiated surface were studied. It was found that collective (rotational) modes of relaxation of these stresses intensely develop through the whole thickness of the ion-modified layer. The main structural types of the localized plastic-flow zones resulting upon stress relaxation were outlined, the specific features of the fine defect microstructure of these zones were studied, and their possible dislocation-disclination models were considered. The nature of the collective rotational mode of the relaxation of mechanical stresses generated by a high-power ion beam is discussed.

Original languageEnglish
Pages (from-to)391-398
Number of pages8
JournalPhysics of Metals and Metallography
Volume89
Issue number4
Publication statusPublished - Apr 2000

ASJC Scopus subject areas

  • Metals and Alloys

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    Tret'yak, M. V., Tyumentsev, A. N., Korotaev, A. D., Remnev, G. E., & Isakov, I. F. (2000). Relaxation of mechanical stresses generated by high-power ion beams in a vanadium alloy. Physics of Metals and Metallography, 89(4), 391-398.