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Measurement of Residual Stress in an A533B Ferritic Steel Plate Containing a Repair Weld

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Abstract:

The paper presents the results of residual stress measurements on a ferritic steel plate containing a repair weld. The repair was considered representative of that found in the secondary circuit piping in power plant. The paper primarily uses the deep hole drilling (DHD) technique, but compares results found by this technique with those obtained using neutron diffraction. Both sets of measurements confirmed that highly tensile residual stresses exist in the repair weld. The two measurement techniques produced results that were in acceptable agreement, but the neutron diffraction results were consistently higher than the deep hole drilling results. It was thought this was due to the use of a constant stress-free lattice parameter d0 .

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Periodical:

Materials Science Forum (Volumes 524-525)

Pages:

653-658

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.524-525.653

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Online since:

September 2006

Authors:

X. Ficquet, Christopher E. Truman, David John Smith

Keywords:

APWT, Deep Hole Drilling (DHD), Residual Stress Measurement, Weld Repair

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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