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Titolo:
Comparison between radiation effects in some fcc and bcc metals irradiatedwith energetic heavy ions - a review
Autore:
Iwase, A; Ishino, S;
Indirizzi:
Tokai Univ, Dept Nucl Engn, Hiratsuka, Kanagawa 2591292, Japan Tokai UnivHiratsuka Kanagawa Japan 2591292 suka, Kanagawa 2591292, Japan Japan Atom Energy Res Inst, Dept Mat Sci, Tokai, Ibaraki 3191195, Japan Japan Atom Energy Res Inst Tokai Ibaraki Japan 3191195 aki 3191195, Japan
Titolo Testata:
JOURNAL OF NUCLEAR MATERIALS
, volume: 276, anno: 2000,
pagine: 178 - 185
SICI:
0022-3115(20000101)276:<178:CBREIS>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
HIGH ELECTRONIC EXCITATIONS; CASCADE DAMAGE; DISPLACEMENT CASCADES; COMPUTER-SIMULATION; MOLECULAR-DYNAMICS; DEFECT PRODUCTION; PURE METALS; TEMPERATURE; SENSITIVITY; BEHAVIOR;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
39
Recensione:
Indirizzi per estratti:
Indirizzo: Ishino, S Tokai Univ, Dept Nucl Engn, 1117 Kitakaname, Hiratsuka, Kanagawa2591292, Japan Tokai Univ 1117 Kitakaname Hiratsuka Kanagawa Japan 2591292apan
Citazione:
A. Iwase e S. Ishino, "Comparison between radiation effects in some fcc and bcc metals irradiatedwith energetic heavy ions - a review", J NUCL MAT, 276, 2000, pp. 178-185

Abstract

It has been reported that there are substantial differences in radiation effects in fee copper and bcc iron. Whether these differences are due to thedifference in crystal structure or not is the subject of the present paper. These differences have been discussed in terms of microstructure and mechanical property changes, whereas in the present paper, results of electrical resistivity measurements are discussed in terms of damage production cross sections, defect annihilation cross sections, damage efficiency and so onduring and after various ion irradiations with wide energy ranges from 1 MeV to more than 100 MeV. For crucial discussion on the effect of the difference in crystal structure, nickel and iron are compared. These metals are allotted closely in the periodic table, with similar melting points and fairly strong electron-lattice coupling, both ferromagnetic and yet with different crystal structure. It may be concluded that as far as the damage production and defect annihilation cross sections and survival ratio are concerned, the difference in crystal structure is not an essential factor. Electronic energy deposition may play an important role even for low energy ions aswell as for high energies. The effect of electronic energy deposition on defect clustering is discussed. (C) 2000 Elsevier Science B.V. All rights reserved.

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Documento generato il 06/04/20 alle ore 08:48:44