Fracture analysis of HFIR beam tube caused by radiation embrittlement

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Description

With an attempt to estimate the neutron beam tube embrittlement condition for the Oak Ridge High Flux Isotope Reactor (HFIR), fracture mechanics calculations are carried out in this paper. The analysis provides some numerical result on how the tube has been structurally weakened. In this calculation, a lateral impact force is assumed. Numerical result is obtained on how much the critical crack size should be reduced if the beam tube has been subjected to an extended period of irradiation. It is also calculated that buckling strength of the tube is increased, not decreased, with irradiation.

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12 p.

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Chang, S.J. December 31, 1994.

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  • Chang, S.J. Oak Ridge National Lab., TN (United States). Research Reactors Div.

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Description

With an attempt to estimate the neutron beam tube embrittlement condition for the Oak Ridge High Flux Isotope Reactor (HFIR), fracture mechanics calculations are carried out in this paper. The analysis provides some numerical result on how the tube has been structurally weakened. In this calculation, a lateral impact force is assumed. Numerical result is obtained on how much the critical crack size should be reduced if the beam tube has been subjected to an extended period of irradiation. It is also calculated that buckling strength of the tube is increased, not decreased, with irradiation.

Physical Description

12 p.

Notes

INIS; OSTI as DE96010029

Source

  • 1994 American Society of Mechanical Engineers (ASME) pressure vessels and piping conference, Minneapolis, MN (United States), 19-23 Jun 1994

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  • Other: DE96010029
  • Report No.: CONF-940613--28
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 231637
  • Archival Resource Key: ark:/67531/metadc669566

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Creation Date

  • December 31, 1994

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Jan. 22, 2016, 11:05 a.m.

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Chang, S.J. Fracture analysis of HFIR beam tube caused by radiation embrittlement, article, December 31, 1994; Tennessee. (digital.library.unt.edu/ark:/67531/metadc669566/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.