Residual Stress Determination for A Ferritic Steel Weld Plate

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Description

The primary objective of this experiment is to demonstrate the capability of neutron diffraction technique to reproducibly map residual strains in a ferritic steel weld. The objective includes the identification of corrections for variations in metal composition due to the welding process which produces changes in lattice parameter that are not due to mechanical effects. The second objective is to develop and demonstrate a best practice for neutron diffraction strain mapping of steel welds. The appropriate coordinate system for the measurement of a weld, which is strongly distorted from planar geometry, has to be defined. The coordinate system is important ... continued below

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64 pages

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Wang, D.-Q.; Hubbard, C.R. & Spooner, S. October 1, 1999.

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Description

The primary objective of this experiment is to demonstrate the capability of neutron diffraction technique to reproducibly map residual strains in a ferritic steel weld. The objective includes the identification of corrections for variations in metal composition due to the welding process which produces changes in lattice parameter that are not due to mechanical effects. The second objective is to develop and demonstrate a best practice for neutron diffraction strain mapping of steel welds. The appropriate coordinate system for the measurement of a weld, which is strongly distorted from planar geometry, has to be defined. The coordinate system is important in determining the procedures for mounting and positioning of the weld so that mapping details, especially in regions of high gradients, can be conveniently inter-compared between laboratories.

Physical Description

64 pages

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OSTI as DE00760256

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  • Other Information: PBD: 1 Oct 1999

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  • Report No.: ORNL/TM-1999/141
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/760256 | External Link
  • Office of Scientific & Technical Information Report Number: 760256
  • Archival Resource Key: ark:/67531/metadc721348

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  • October 1, 1999

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  • Sept. 29, 2015, 5:31 a.m.

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  • Jan. 25, 2016, 1:21 p.m.

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Wang, D.-Q.; Hubbard, C.R. & Spooner, S. Residual Stress Determination for A Ferritic Steel Weld Plate, report, October 1, 1999; Tennessee. (digital.library.unt.edu/ark:/67531/metadc721348/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.