Fatigue Behavior of Carbon Fiber Woven Composite Laminates with Different Off-Axis Angles Studied by Combining Infrared Thermography 


Vol. 25,  No. 3, pp. 1099-1110, Mar.  2024
10.1007/s12221-024-00508-5


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  Abstract

This study employed infrared thermography to investigate the fatigue properties of plain-woven composites under various off-axis orientations. The specimens underwent constant amplitude fatigue loading at stress levels set at 80%, 75%, and 70% of the ultimate tensile strength, maintaining a stress ratio of 0.1. The experimental findings indicated a decline in both tensile strength and fatigue life as the off-axis angle increased. Among the four off-axis specimens, only the 45° off-axis samples demonstrated stiffness enhancement under low-stress fatigue loading. This enhancement was attributed to the rotational reorientation of fibers, compensating for the stiffness reduction caused by fatigue damage. Infrared thermography identified damage in off-axis specimens primarily at the edges due to the free-edge effect. Furthermore, interrupted specimens were tested late in the fatigue life, revealing more pronounced damage at the specimen edges.

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  Cite this article

[IEEE Style]

K. Zheng, Z. Wu, F. Chen, Z. Pan, Z. Wu, X. Cheng, K. Zheng, "Fatigue Behavior of Carbon Fiber Woven Composite Laminates with Different Off-Axis Angles Studied by Combining Infrared Thermography," Fibers and Polymers, vol. 25, no. 3, pp. 1099-1110, 2024. DOI: 10.1007/s12221-024-00508-5.

[ACM Style]

Kehong Zheng, Zhenyu Wu, Feihong Chen, Zhongxiang Pan, Zhanjun Wu, Xiaoying Cheng, and Kehong Zheng. 2024. Fatigue Behavior of Carbon Fiber Woven Composite Laminates with Different Off-Axis Angles Studied by Combining Infrared Thermography. Fibers and Polymers, 25, 3, (2024), 1099-1110. DOI: 10.1007/s12221-024-00508-5.

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