Radiation-Induced Defects in Body-Centered Cubic Metals

Recent development in the study of radiation-induced defects in B.C.C. metals is discussed, with particular reference to the fundamental aspects of the problem. The subjects treated include the rate of point-defect generation and its saturation, point-defect recovery and changes in mechanical proper...

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Bibliographic Details
Published inJournal of the Atomic Energy Society of Japan / Atomic Energy Society of Japan Vol. 17; no. 5; pp. 223 - 232
Main Author OKUDA, Shigeo
Format Journal Article
LanguageJapanese
Published Atomic Energy Society of Japan 1975
Subjects
BCC metals
displacement threshold
internal friction
interstitial atom
irradiation
mechanical properties
molybdenum
neutron beams
point defects
radiation effects
recovery
tungsten
vacancies
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ISSN0004-7120
2186-5256
DOI10.3327/jaesj.17.223

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Summary:Recent development in the study of radiation-induced defects in B.C.C. metals is discussed, with particular reference to the fundamental aspects of the problem. The subjects treated include the rate of point-defect generation and its saturation, point-defect recovery and changes in mechanical properties directly related thereto. A critical study has been made of the stage I defects through internal friction measurements and examination of the resulting data on the Snoek peak and dislocation pinning phenomena, which revealed unexpectedly low values for the energy of free migration of interstitials in W and Mo.
ISSN:0004-7120
2186-5256
DOI:10.3327/jaesj.17.223