Susceptibility of unirradiated recrystallized Zircaloy-4 tubing to stress corrosion cracking

One of 50 reports in the series: LWBR Development Program available on this site.

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Description

Stress corrosion cracking (SCC) in unirradiated recrystallized Zircaloy-4 internally pressurized tubing specimens in atmospheres containing iodine vapor, cesium, or combinations of iodine and cesium is evaluated experimentally in terms of the effects of internal surface flaw morphology, iodine and cesium concentrations, tubing hydrogen content, test temperature, and test atmosphere water vapor content on the time to failure. The iodine vapor SCC data are analyzed in the framework of a fracture mechanics model. Expressions are developed which relate the iodine SCC threshold stress and lifetime for stresses above threshold to temperature, iodine concentration, and surface flaw geometry.

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47 pages

Creation Information

Polan, N. W. & Tucker, R. P. December 1977.

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  • Main Title: Susceptibility of unirradiated recrystallized Zircaloy-4 tubing to stress corrosion cracking
  • Series Title: LWBR Development Program

Description

Stress corrosion cracking (SCC) in unirradiated recrystallized Zircaloy-4 internally pressurized tubing specimens in atmospheres containing iodine vapor, cesium, or combinations of iodine and cesium is evaluated experimentally in terms of the effects of internal surface flaw morphology, iodine and cesium concentrations, tubing hydrogen content, test temperature, and test atmosphere water vapor content on the time to failure. The iodine vapor SCC data are analyzed in the framework of a fracture mechanics model. Expressions are developed which relate the iodine SCC threshold stress and lifetime for stresses above threshold to temperature, iodine concentration, and surface flaw geometry.

Physical Description

47 pages

Notes

Dep. NTIS, PC A03/MF A01.

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Office of Scientific & Technical Information Technical Reports

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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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Creation Date

  • December 1977

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 22, 2021, 4 p.m.

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Polan, N. W. & Tucker, R. P. Susceptibility of unirradiated recrystallized Zircaloy-4 tubing to stress corrosion cracking, report, December 1977; West Mifflin, Pennsylvania. (https://digital.library.unt.edu/ark:/67531/metadc1058597/: accessed December 11, 2023), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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