An unsupported cracked plate repaired with a reinforcement bonded on one side may experience considerable out-of-plane bending due to the load-path eccentricity. This out-of-plane bending causes the stress intensity factor at the crack tip to vary significantly through the plate’s thickness with a maximum value attained at the un-patched side of the crack. Even though significant analytical work has been done in the past to evaluate these thickness-varying stress intensity factors, however, to the authors’ knowledge, little work has been done to characterize the fatigue crack growth in a plate with a single-sided repair. The purposes of the present work are to (i) assess the accuracy of the available analytical methods for predicting the stress intensity factors of the panels with a single-sided repair and more importantly, and (ii) characterize the fatigue crack growth in these panels, using test results generated recently under the Composite Repair of Aircraft Structures (CRAS) program.
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April 2004
Technical Papers
On the Characterization of Fatigue Crack Growth in a Plate With a Single-Sided Repair
C. N. Duong,
C. N. Duong
The Boeing Company, 5301 Bolsa Avenue, MC H013-A316, Huntington Beach, CA 92647-2099
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C. H. Wang
C. H. Wang
Defence Science & Technology Organization, 506 Lorimer Street, Fishermans Bend 3207, Australia
Search for other works by this author on:
C. N. Duong
The Boeing Company, 5301 Bolsa Avenue, MC H013-A316, Huntington Beach, CA 92647-2099
C. H. Wang
Defence Science & Technology Organization, 506 Lorimer Street, Fishermans Bend 3207, Australia
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division May 12, 2003; revision received September 26, 2003. Associate Editor: S. Mall.
J. Eng. Mater. Technol. Apr 2004, 126(2): 192-198 (7 pages)
Published Online: March 18, 2004
Article history
Received:
May 12, 2003
Revised:
September 26, 2003
Online:
March 18, 2004
Citation
Duong, C. N., and Wang, C. H. (March 18, 2004). "On the Characterization of Fatigue Crack Growth in a Plate With a Single-Sided Repair ." ASME. J. Eng. Mater. Technol. April 2004; 126(2): 192–198. https://doi.org/10.1115/1.1647129
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