Measurements of Residual Stress in a Welded Compact Tension Specimen Using the Neutron Diffraction and Slitting Techniques

Foroogh Hosseinzadeh; P. John Bouchard; Jonathan A. James

doi:10.4028/www.scientific.net/MSF.652.210

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HomeMaterials Science ForumMaterials Science Forum Vol. 652Measurements of Residual Stress in a Welded...

Measurements of Residual Stress in a Welded Compact Tension Specimen Using the Neutron Diffraction and Slitting Techniques

Abstract:

The residual stress field in a compact tension specimen blank extracted from a non-stress-relieved thick section butt weld has been measured using neutron diffraction and the slitting method. Significant triaxial residual stresses were found in the specimen that is normally assumed to be stress free. Moreover the level of stress was sufficient to make a significant contribution to the crack driving force in creep crack growth tests. The benefits of using more than one measurement technique in such investigations are demonstrated.

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Periodical:

Materials Science Forum (Volume 652)

Pages:

210-215

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.652.210

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Online since:

May 2010

Authors:

Foroogh Hosseinzadeh, P. John Bouchard, Jonathan A. James

Keywords:

Neutron Diffraction, Residual Stress, Slitting Method, Weldment

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