Low, K. O. and Teng, S. M. and Johar, M. and Israr, H. A. and Wong, K. J. (2019) Mode I delamination behaviour of carbon/epoxy composite at different displacement rates. Composites Part B: Engineering, 176 . p. 107293. ISSN 1359-8368
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Official URL: http://dx.doi.org/10.1016/j.compositesb.2019.10729...
Abstract
This research studies the displacement rate effects on the mode I delamination of unidirectional carbon/epoxy composites. Double cantilever beam test is conducted at 1, 10, 100 and 500 mm/min. Results show that the mode I fracture toughness is invariant within the range of study. Scanning electron micrographs depict that interfacial debonding dominates at 1 mm/min. However, at 500 mm/min, river pattern is observed. Besides, there is no bridging effect at all displacement rates. In addition, the experimental and numerical force-displacement curves are well compared with a maximum difference of 14%. Finally, the experimental and numerical crack growths are comparable within 15% of variation.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Delamination, Mechanical testing |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Mechanical Engineering |
| ID Code: | 88253 |
| Deposited By: | Widya Wahid |
| Deposited On: | 15 Dec 2020 00:19 |
| Last Modified: | 15 Dec 2020 00:19 |
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