In-pile temperature dependence of the yield strength and growth of Zircaloy

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Description

A previously reported growth model is modified and low temperature growth predictions in Zircaloy are made to support the proposal that the smaller irradiation damage observed at lower temperature results from the damage sites, or depleted zones, being larger at lower temperatures. This proposal holds that the vacancies making up the zones cannot migrate at the lower temperature and, therefore, cannot condense into small voids or dislocation loops. The larger zones serve as better sinks for interstitials because they have a larger capture radius and, since they contain the same number of vacancies as the smaller, higher temperature zones, they … continued below

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12 pages

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Dollins, C. C. March 1978.

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  • Main Title: In-pile temperature dependence of the yield strength and growth of Zircaloy
  • Series Title: AWBA Development Program

Description

A previously reported growth model is modified and low temperature growth predictions in Zircaloy are made to support the proposal that the smaller irradiation damage observed at lower temperature results from the damage sites, or depleted zones, being larger at lower temperatures. This proposal holds that the vacancies making up the zones cannot migrate at the lower temperature and, therefore, cannot condense into small voids or dislocation loops. The larger zones serve as better sinks for interstitials because they have a larger capture radius and, since they contain the same number of vacancies as the smaller, higher temperature zones, they heal faster resulting in less total damage. The resulting theoretical predictions are compared with experimental data and found to be in good agreement.

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12 pages

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Dep. NTIS, PC A02/MF A01.

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • March 1978

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  • Jan. 22, 2018, 7:23 a.m.

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  • Aug. 15, 2020, 12:12 a.m.

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Dollins, C. C. In-pile temperature dependence of the yield strength and growth of Zircaloy, report, March 1978; West Mifflin, Pennsylvania. (https://digital.library.unt.edu/ark:/67531/metadc1052385/: accessed September 26, 2023), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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