Crack growth analysis in welded and non-welded T-joints based on lock-in digital image correlation and thermoelastic stress analysis

Crack growth analysis in welded and non-welded T-joints based on lock-in digital image... •The method based on DIC and TSA is proposed to monitor crack propagation.•The lock-in amplifier is used to process DIC speckle pattern images.•Both the crack lengths and the stress intensity factors are evaluated.•The tests on non-welded and welded specimens in two test rigs are compared.•All of the results are validated by employing extended finite element method. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Fatigue Elsevier

Crack growth analysis in welded and non-welded T-joints based on lock-in digital image correlation and thermoelastic stress analysis

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0142-1123
eISSN
1879-3452
D.O.I.
10.1016/j.ijfatigue.2018.01.020
Publisher site
See Article on Publisher Site

Abstract

•The method based on DIC and TSA is proposed to monitor crack propagation.•The lock-in amplifier is used to process DIC speckle pattern images.•Both the crack lengths and the stress intensity factors are evaluated.•The tests on non-welded and welded specimens in two test rigs are compared.•All of the results are validated by employing extended finite element method.

Journal

International Journal of FatigueElsevier

Published: May 1, 2018

References

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