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Non-Destructive Detection Method of Fatigue Crack in Spot-Welded Joint Specimens
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Abstract
This paper deals with a non-destructive detection method of fatigue crack in spot-welded joints under tensile-shear repeated load.
We developed the non-destructive method, according to which the generation time, the crack length and the propagation speed of fatigue crack can be quantitatively estimated by utilizing information obtained from strain gages bonded on the electrode indentations of spot welds. Specimens used in this experiment are made of various kinds of thin steel sheets.
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Citation
Satoh, T. and Abe, H., "Non-Destructive Detection Method of Fatigue Crack in Spot-Welded Joint Specimens," SAE Technical Paper 860601, 1986, https://doi.org/10.4271/860601.Also In
References
- Satoh T. Abe H. Ishibashi K. An Investigation on Fatigue Crack in Spot Welded Joints - Effects of pressing spot welds - The Japan Welding Society Preprints of the National Meeting of J.W.S. 29 1981
- Satoh T. Abe H. Ishibashi K. Fujita M. An Investigation on Fatigue Crack in Spot Welded Joints (2) - Detection method of fatigue crack -The Japan Welding Society Preprints of the National Meeting of J.W.S. 30 1982
- Satoh T. Abe H. An Investgation on Fatigue Crack in Spot Welded Joints (3) - Generation time and propagation speed of fatigue crack - The Japan Welding Society Preprints of the Natinal Meeting of J.W.S. 31 1982
- Satoh T. Abe H. Kataoka S. An Investigation on Fatigue Crack in Spot Welded Joints (4) - Fatigue strength and propagation speed - The Japan Welding Society Preprints of the National Meeting of J.W.S. 34 1984