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The Influence of Specimen Size on Measurement of Thermal or Irradiation Creep in Pressurized Tubes

Garner, FA
Staff Scientist and Senior Scientist,Pacific Northwest Laboratory,WA,

Hamilton, ML
Staff Scientist and Senior Scientist,Pacific Northwest Laboratory,WA,

Puigh, RJ
Manager, Senior Engineer and Principal Engineer,Westinghouse Hanford Company,WA,

Eiholzer, CR
Manager, Senior Engineer and Principal Engineer,Westinghouse Hanford Company,WA,

Duncan, DR
Manager, Senior Engineer and Principal Engineer,Westinghouse Hanford Company,WA,

Toloczko, MB
Graduate Student,University of California,CA,

Kumar, AS
Professor,University of Missouri,MO,

Pages: 15    Published: Jan 1994

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Source: STP1175-EB

Abstract

Thin-walled pressurized tubes have been developed for measurement of thermal creep and irradiation creep. Miniaturization of these tubes allows more tests to be conducted in the limited reactor space available and decreases the impact of displacement rate gradients and temperature gradients. Studies conducted on a variety of tube sizes show that, when specimen fabrication history and irradiation conditions are controlled, miniaturization can be successfully achieved and valid data produced.

Keywords:
thermal creep, irradiation creep, void swelling, size effects, austenitic stainless steel, pressurized tubes

Paper ID: STP23963S
Committee/Subcommittee: E10.08
DOI: 10.1520/STP23963S
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