Residual stress measurement using the pulsed neutron source at LANSCE

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The presence of residual stress in engineering components can effect their mechanical properties and structural integrity. Neutron diffraction is the only measuring technique which can make spatially resolved non-destructive strain measurements in the interior of components. By recording the change in the crystalline interplanar spacing, elastic strains can be measured for individual lattice reflections. Using a pulsed neutron source, all the lattice reflections are recorded in each measurement which allows anisotropic effects to be studied. Measurements made at the Manuel Lujan Jr Neutron Scattering Centre (LANSCE) demonstrate the potential for stress measurements on a pulsed source and indicate the advantages ... continued below

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Pages: (14 p)

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Bourke, M.A.M.; Goldstone, J.A. (Los Alamos National Lab., NM (USA)) & Holden, T.M. (Atomic Energy of Canada Ltd., Chalk River, ON (Canada)) January 1, 1991.

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Description

The presence of residual stress in engineering components can effect their mechanical properties and structural integrity. Neutron diffraction is the only measuring technique which can make spatially resolved non-destructive strain measurements in the interior of components. By recording the change in the crystalline interplanar spacing, elastic strains can be measured for individual lattice reflections. Using a pulsed neutron source, all the lattice reflections are recorded in each measurement which allows anisotropic effects to be studied. Measurements made at the Manuel Lujan Jr Neutron Scattering Centre (LANSCE) demonstrate the potential for stress measurements on a pulsed source and indicate the advantages and disadvantages over measurements made on a reactor. 15 refs., 7 figs.

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Pages: (14 p)

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OSTI; NTIS; INIS; GPO Dep.

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  • North Atlantic Treaty Organization (NATO) advanced research workshop on measurement of residual stress and applied stress using neutron diffraction, Oxford (UK), 18-22 Mar 1991

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  • Other: DE91013494
  • Report No.: LA-UR-91-1530
  • Report No.: CONF-9103130--2
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5551579
  • Archival Resource Key: ark:/67531/metadc1092542

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  • January 1, 1991

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  • Feb. 10, 2018, 10:06 p.m.

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  • June 4, 2018, 12:46 p.m.

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Bourke, M.A.M.; Goldstone, J.A. (Los Alamos National Lab., NM (USA)) & Holden, T.M. (Atomic Energy of Canada Ltd., Chalk River, ON (Canada)). Residual stress measurement using the pulsed neutron source at LANSCE, article, January 1, 1991; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1092542/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.