EFFECTS OF LARGE NEUTRON DOSES AND ELEVATED TEMPERATURE ON TYPE 347 STAINLESS

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Tests of subsize tensile and impact specimens of Type 547 stainless steel irradiated in three capsules to fastneutron exposures of up to 1.1 x 10/sup 22/ nvt were conducted. Ductile fractures at impact energies of 65 ft-lb, representing a 35% decrease in impact strength, were noted at room temperature. Impact energies of approximates 20 ft-lb and a fracture with both brittle and ductile characteristics were observed at -300 deg F. Irradiation-induced property changes included increases in yield strength from 35,000 to 105,000 psi and in ultimate strength from 90,000 to 112,000 psi and a decrease in total elongation from 63 ... continued below

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Pages: 53

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Murr, W.E.; Shober, F.R.; Lieberman, R. & Dickerson, R.F. January 21, 1963.

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Description

Tests of subsize tensile and impact specimens of Type 547 stainless steel irradiated in three capsules to fastneutron exposures of up to 1.1 x 10/sup 22/ nvt were conducted. Ductile fractures at impact energies of 65 ft-lb, representing a 35% decrease in impact strength, were noted at room temperature. Impact energies of approximates 20 ft-lb and a fracture with both brittle and ductile characteristics were observed at -300 deg F. Irradiation-induced property changes included increases in yield strength from 35,000 to 105,000 psi and in ultimate strength from 90,000 to 112,000 psi and a decrease in total elongation from 63 to 31% at room temperature. A 600 deg F anneal produced no measurable recovery of preirradiation properties for periods up to 144 hr, but a large degree of recovery was obtained by annealing 1 hr at 1800 deg F. In material irradiated at 750 deg F, increases in yield strength from 55,000 to 149,000 psi and in ultimate strength from 92,000 to 149,000 psi, decreases in elongation from 55 to 10%, and reductions in area from 70 to 60% were observed. (H.G.G.)

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Pages: 53

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  • Other Information: Orig. Receipt Date: 31-DEC-63

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  • Report No.: BMI-1609
  • Grant Number: W-7405-ENG-92
  • DOI: 10.2172/4742740 | External Link
  • Office of Scientific & Technical Information Report Number: 4742740
  • Archival Resource Key: ark:/67531/metadc1033445

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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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  • January 21, 1963

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  • Oct. 18, 2017, 7:39 a.m.

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  • Oct. 31, 2017, 5:59 p.m.

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Murr, W.E.; Shober, F.R.; Lieberman, R. & Dickerson, R.F. EFFECTS OF LARGE NEUTRON DOSES AND ELEVATED TEMPERATURE ON TYPE 347 STAINLESS, report, January 21, 1963; Columbus, Ohio. (digital.library.unt.edu/ark:/67531/metadc1033445/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.