Journal of the Japan Society for Composite Materials
Online ISSN : 1884-8559
Print ISSN : 0385-2563
ISSN-L : 0385-2563
Damage Process of Transverse Cracks in CFRP Laminated Pipes
Tomohiro YOKOZEKITakahira AOKIYoichi HAYASHITakashi ISHIKAWA
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2002 Volume 28 Issue 5 Pages 204-209

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Abstract
The damage behavior of transverse cracks in CFRP laminates without free-edges was experimentally investigated. Using laminated pipes with thick and thin 90-degree layers, static tensile tests were conducted with bonded loading fixtures. The transverse cracking behavior in pipes was inspected using ultrasonic C-scanning images. In parallel, tensile tests of coupon specimens of same layup as pipes were also carried out. It is shown that laminated pipes were less susceptible to the accumulation of transverse cracks than coupons with free-edges and the difference tends to be larger as 90-degree layers become thicker.
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