Crack-opening displacement as a method of measuring crack length in compact-tension specimens
- 1 January 1980
- journal article
- research article
- Published by SAGE Publications in The Journal of Strain Analysis for Engineering Design
- Vol. 15 (1) , 31-35
- https://doi.org/10.1243/03093247v151031
Abstract
A pseudo-compliance method is discussed as a means of measuring fatigue crack lengths in BS 5447, ASTM E399.72 compact-tension specimens. A calibration curve for these specimens is obtained together with a relationship between pseudo-compliance and K, the stress intensity factor. This method is suitable for automatic crack monitoring and load control.Keywords
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