In this research, the neutron diffraction technique was used to investigate the residual stress distributions in constrained carbon steel welds. Two full penetration welds were studied using (a) the stringer bead and (b) the temper bead weld techniques in 25 mm thick plate. The welds were not post-weld heat treated. The focus of the measurements is on the values of the subsurface and through-thickness strain/stress variation near the middle of the weld and the toe. The experimental results showed that both processes had high residual stresses particularly through the thickness. The measurements were compared with current fitness-for-purpose approaches, such as BS7910 and R6. It was found that the residual stress distribution in the temper bead welded specimen was not as favorable as suspected and post-weld heat treatment should be recommended to reduce residual tensile stresses in this type of steel welds.
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October 2010
Research Papers
Comparison of Neutron Diffraction Measurements of Residual Stress of Steel Butt Welds With Current Fitness-for-Purpose Assessments
Anna M. Paradowska,
Anna M. Paradowska
Science and Technology Facility Council, Rutherford Appleton Laboratory,
e-mail: anna.paradowska@stfc.ac.uk
ISIS Facility
, OX11 0QX, UK
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John W. H. Price,
John W. H. Price
Department of Mechanical Engineering,
Monash University
, Clayton, VIC 3800, Australia
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Trevor R. Finlayson,
Trevor R. Finlayson
School of Physics,
University of Melbourne
, Melbourne, VIC 3010, Australia
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Ronald B. Rogge,
Ronald B. Rogge
Chalk River Laboratories,
Canadian Neutron Beam Centre (CNBC)
, ON, K0J 1J0, Canada
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Ronald L. Donaberger,
Ronald L. Donaberger
Chalk River Laboratories,
Canadian Neutron Beam Centre (CNBC)
, ON, K0J 1J0, Canada
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Raafat Ibrahim
Raafat Ibrahim
Department of Mechanical Engineering,
Monash University
, Clayton, VIC 3800, Australia
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Anna M. Paradowska
Science and Technology Facility Council, Rutherford Appleton Laboratory,
ISIS Facility
, OX11 0QX, UKe-mail: anna.paradowska@stfc.ac.uk
John W. H. Price
Department of Mechanical Engineering,
Monash University
, Clayton, VIC 3800, Australia
Trevor R. Finlayson
School of Physics,
University of Melbourne
, Melbourne, VIC 3010, Australia
Ronald B. Rogge
Chalk River Laboratories,
Canadian Neutron Beam Centre (CNBC)
, ON, K0J 1J0, Canada
Ronald L. Donaberger
Chalk River Laboratories,
Canadian Neutron Beam Centre (CNBC)
, ON, K0J 1J0, Canada
Raafat Ibrahim
Department of Mechanical Engineering,
Monash University
, Clayton, VIC 3800, AustraliaJ. Pressure Vessel Technol. Oct 2010, 132(5): 051503 (8 pages)
Published Online: October 1, 2010
Article history
Received:
August 12, 2008
Revised:
September 30, 2009
Published:
October 1, 2010
Citation
Paradowska, A. M., Price, J. W. H., Finlayson, T. R., Rogge, R. B., Donaberger, R. L., and Ibrahim, R. (October 1, 2010). "Comparison of Neutron Diffraction Measurements of Residual Stress of Steel Butt Welds With Current Fitness-for-Purpose Assessments." ASME. J. Pressure Vessel Technol. October 2010; 132(5): 051503. https://doi.org/10.1115/1.4002162
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