Fracture toughness measurements with subsize disk compact specimens

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Special fixtures and test methods have been developed for testing small disk compact specimens (1.25 mm diam by 4.6 mm thick). Specimens of European type 316L austenitic stainless steel were irradiated to damage levels of about 3 dpa at nominal irradiation temperatures of either 90 or 250 C and tested over a temperature range from 20 to 250 C. Results show that irradiation to this dose level at these temperatures reduces the fracture toughness but the toughness remains quite high. The toughness decreases as the test temperature increases. Irradiation at 250 C is more damaging than at 90 C, causing ... continued below

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10 p.

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Alexander, D.J. December 31, 1994.

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Description

Special fixtures and test methods have been developed for testing small disk compact specimens (1.25 mm diam by 4.6 mm thick). Specimens of European type 316L austenitic stainless steel were irradiated to damage levels of about 3 dpa at nominal irradiation temperatures of either 90 or 250 C and tested over a temperature range from 20 to 250 C. Results show that irradiation to this dose level at these temperatures reduces the fracture toughness but the toughness remains quite high. The toughness decreases as the test temperature increases. Irradiation at 250 C is more damaging than at 90 C, causing larger decreases in the fracture toughness. The testing shows that it is possible to generate useful fracture toughness data with a small disk compact specimens.

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10 p.

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INIS; OSTI as DE95017399

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  • International symposium on miniaturized specimens for testing of irradiated materials, Julich (Germany), 22-23 Sep 1994

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  • Other: DE95017399
  • Report No.: CONF-9409286--2
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 104508
  • Archival Resource Key: ark:/67531/metadc620164

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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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  • December 31, 1994

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Jan. 19, 2016, 1:51 p.m.

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Alexander, D.J. Fracture toughness measurements with subsize disk compact specimens, article, December 31, 1994; Tennessee. (digital.library.unt.edu/ark:/67531/metadc620164/: accessed August 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.