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U.S. Department of Energy
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HYDRIDE ORIENTATIONS AND MECHANICAL PROPERTIES OF THIN-WALLED ZIRCALOY TUBING. USAEC-AECL Cooperative Program Monthly Progress Report, October 1963

Technical Report ·
DOI:https://doi.org/10.2172/4096521· OSTI ID:4096521
Tests at applied stresses of 26,000 psi showed that longitudinal specimens of the six types of tubing were not susceptible to stress orientation of the hydride platelets. Study of grain structure and hydride morphology in circumferential specimens indicated that the magnitude of the stress orientation susceptibility may have been influenced by the Zircaloy grain size. The tendency of the platelets to form imto clusters'' (heterogeneous nucleation) was increased by higher stress levels and slower cooling rates in some types of tubing but not in others. (auth)
Research Organization:
Du Pont de Nemours (E.I.); Co. Savannah River Lab., Aiken, S.C.
NSA Number:
NSA-18-008791
OSTI ID:
4096521
Report Number(s):
DPST-63-74-10
Country of Publication:
United States
Language:
English