Fuel and cladding tests for fuel failure safety analysis. [LMFBR]

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Three systems for testing fuel pin cladding were developed to support the determination of the mode and location of cladding failure during transient overpower events or transient undercooled overpower (TUCOP) conditions. The TUCOP FCTT system consists of exposing cladding specimens to thermal and loading conditions typical of TUCOP events. The Mandrel Loading Test (MLT) system was designed to produce cladding deformation and failure by internal mechanical interaction loading of a heated cladding specimen. The Cladding Rip Propagation Test (CRPT) system measures the rip propagation behavior of cladding at different temperatures. Fuel deformation and fission gas release tests were performed to ... continued below

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Pages: 11

Creation Information

Hunter, C.W.; Johnson, G.D.; Hu, W.L.; Cannon, N.S.; Feigenbutz, L.V.; Hinman, C.A. et al. January 1, 1982.

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Description

Three systems for testing fuel pin cladding were developed to support the determination of the mode and location of cladding failure during transient overpower events or transient undercooled overpower (TUCOP) conditions. The TUCOP FCTT system consists of exposing cladding specimens to thermal and loading conditions typical of TUCOP events. The Mandrel Loading Test (MLT) system was designed to produce cladding deformation and failure by internal mechanical interaction loading of a heated cladding specimen. The Cladding Rip Propagation Test (CRPT) system measures the rip propagation behavior of cladding at different temperatures. Fuel deformation and fission gas release tests were performed to better understand fuel behavior. High temperature creep and hot pressing tests on mixed oxide fuel indicate that an enhancement in the creep rate occurs at temperatures above 2300/sup 0/C and that only a small proportion of the fabrication fuel porosity can be closed at temperatures above 2500/sup 0/C. Two fission gas induced modes of gross fuel behavior under transient thermal conditions have been demonstrated, i.e., brittle fracture along grain boundaries and massive plastic swelling of the fission-gas-containing fuel.

Physical Description

Pages: 11

Notes

NTIS, PC A02/MF A01.

Source

  • International topical meeting on LMFBR safety, Lyon, France, 18 Jul 1982

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  • Other: DE82018647
  • Report No.: HEDL-SA-2611-FP
  • Report No.: CONF-820704-7
  • Grant Number: AC06-76FF02170
  • Office of Scientific & Technical Information Report Number: 5235782
  • Archival Resource Key: ark:/67531/metadc1070998

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1982

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • March 27, 2018, 7:02 p.m.

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Hunter, C.W.; Johnson, G.D.; Hu, W.L.; Cannon, N.S.; Feigenbutz, L.V.; Hinman, C.A. et al. Fuel and cladding tests for fuel failure safety analysis. [LMFBR], article, January 1, 1982; United States. (digital.library.unt.edu/ark:/67531/metadc1070998/: accessed May 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.