An evaluation of life extension of the HFIR pressure vessel. Supplement 1

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Description

Preliminary analyses were performed in 1994 to determine the remaining useful life of the HFIR pressure vessel. The estimated total permissible life was {approximately} 50 EFPY (100 MW). More recently, the analyses have been updated, including a more precise treatment of uncertainties in the calculation of the hydrostatic-proof-test conditions and also including the contribution of gammas to the radiation-induced reduction in fracture toughness. These and other refinements had essentially no effect on the predicted useful life of the vessel or on the specified hydrostatic proof-test conditions.

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62 p.

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Cheverton, R.D. August 1, 1996.

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Description

Preliminary analyses were performed in 1994 to determine the remaining useful life of the HFIR pressure vessel. The estimated total permissible life was {approximately} 50 EFPY (100 MW). More recently, the analyses have been updated, including a more precise treatment of uncertainties in the calculation of the hydrostatic-proof-test conditions and also including the contribution of gammas to the radiation-induced reduction in fracture toughness. These and other refinements had essentially no effect on the predicted useful life of the vessel or on the specified hydrostatic proof-test conditions.

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62 p.

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INIS; OSTI as DE97050728

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  • Other Information: PBD: Aug 1996

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  • Other: DE97050728
  • Report No.: ORNL/TM--12877/S1
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/425356 | External Link
  • Office of Scientific & Technical Information Report Number: 425356
  • Archival Resource Key: ark:/67531/metadc682849

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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.

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  • August 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Jan. 21, 2016, 8:21 p.m.

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Cheverton, R.D. An evaluation of life extension of the HFIR pressure vessel. Supplement 1, report, August 1, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc682849/: accessed August 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.