1977
DOI: 10.1051/jphys:019770038080100700
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Endommagement du fer par irradiation aux électrons à 20 K

Abstract: 2014 L'irradiation du fer par des électrons de 2 MeV à 20 K a été étudiée au moyen de la résistivité électrique. Contrairement à ce qui se passe dans le cas de l'irradiation aux neutrons, le fer se comporte, du point de vue de la résistivité électrique, d'une manière analogue à la plupart des autres métaux : la courbe expérimentale d(039403C1)/d~ = f(039403C1) a une courbure positive et peut être représentée sous une forme quadratique. Le volume de recombinaison spontanée est trouvé égal à 300 volumes atomique… Show more

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Cited by 37 publications
(17 citation statements)
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References 15 publications
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“…Namely, r 0 has been set equal to half the first, second and third nearest neighbour (nn) distance in bcc Fe, as well as equal to 1.9a 0 /2, 2.2a 0 /2 and 3.3a 0 /2. Thus, the involved objects will react when they find themselves at a mutual distance of first, second and third nn, as well as 1.9a 0 [22], 2.2a 0 [66] and 3.3a 0 [65] (or larger, if the SIA bias factor of Table 2 is allowed for). The latter two values correspond to the experimental assessment of the SIAvacancy recombination radius in Fe.…”
Section: Effect Of Capture Radiusmentioning
confidence: 99%
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“…Namely, r 0 has been set equal to half the first, second and third nearest neighbour (nn) distance in bcc Fe, as well as equal to 1.9a 0 /2, 2.2a 0 /2 and 3.3a 0 /2. Thus, the involved objects will react when they find themselves at a mutual distance of first, second and third nn, as well as 1.9a 0 [22], 2.2a 0 [66] and 3.3a 0 [65] (or larger, if the SIA bias factor of Table 2 is allowed for). The latter two values correspond to the experimental assessment of the SIAvacancy recombination radius in Fe.…”
Section: Effect Of Capture Radiusmentioning
confidence: 99%
“…Experimentally, the vacancy-SIA recombination distance is reported to vary between 2.2 and 3.3 lattice parameters in pure Fe, corresponding to $100-300 atomic volumes in the spherical approximation [65,66]. Values of this order are generally adopted in the rate theory [43,67].…”
Section: Capture Radiimentioning
confidence: 99%
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“…For low energy ionirradiation, ar is proportional to S,. In addition, the recombination volumes obtained in a conventional manner [8] are the same order of magnitude as that for electron-irradiation [9], so that the defect annihilation for low energy ion-irradiation occurs mainly by the elastic interaction. Therefore, we can define the elastic part of the defect annihilation cross-section as 'el-fic = a-S, (a=9.58x 101 4 ) .…”
Section: Damage Efficiencymentioning
confidence: 99%
“…Kous rapportons ici l'effet des neutrons rapides et des fragments de fission. L'expBrience d'irradiation aux Blectrons, plus ancienne, est dBj& publike [8].…”
Section: Introductionunclassified