Analytical and Experimental Investigations of Extending the Crack Growth Life of Integrally Stiffened Aluminum Panels by the Use of Composite Material Strips

A. Brot; I. Kressel

doi:10.3970/sdhm.2011.007.153

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Analytical and Experimental Investigations of Extending the Crack Growth Life of Integrally Stiffened Aluminum Panels by the Use of Composite Material Strips

A. Brot¹, I. Kressel¹

1 Engineering Division, Israel Aerospace Industries, Ben-Gurion Airport, Israel. E-mail: abrot@iai.co.il

Structural Durability & Health Monitoring 2011, 7(3), 153-162. https://doi.org/10.3970/sdhm.2011.007.153

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Abstract

Analysis and testing of integrally stiffened aluminum panels, reinforced by carbon-epoxy or boron-epoxy bonded strips, is described. Fatigue testing was performed at room-temperature and at -50°C. The test results show a very significant increase in the crack growth life of these panels after the reinforcement. The analytical results, based on finite-element models, correlated very well with the test results.

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Brot, A., Kressel, I. (2011). Analytical and Experimental Investigations of Extending the Crack Growth Life of Integrally Stiffened Aluminum Panels by the Use of Composite Material Strips. Structural Durability & Health Monitoring, 7(3), 153–162.

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