Evaluating Uncertainty in Residual Stress Measured Using the Deep-Hole Drilling Technique

:  The deep hole drilling (DHD) method measures the through‐thickness distribution of residual stress in a component. Sources of uncertainty in the application of the method are identified and three different methods for determining the magnitudes of uncertainty are presented. The analyses are appli...

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Bibliographic Details
Published in:Strain 2011-02, Vol.47 (1), p.62-74
Main Authors: Goudar, D. M., Truman, C. E., Smith, D. J.
Format: Article
Language:English
Subjects:
deep-hole drilling
Drilling
error analysis
Residual stress
Strain
Uncertainty
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Summary::  The deep hole drilling (DHD) method measures the through‐thickness distribution of residual stress in a component. Sources of uncertainty in the application of the method are identified and three different methods for determining the magnitudes of uncertainty are presented. The analyses are applied to experimental measurements of stress in two calibration studies for ferritic steel and an aluminium alloy. Finally, the residual stresses measured in a repair welded steel pipe are examined to assess the level of uncertainty.
ISSN:0039-2103
1475-1305
DOI:10.1111/j.1475-1305.2009.00620.x