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A study on the fracture toughness of seawater-absorbed carbon nanotube/epoxy/basalt composites
- Authors
- Kim, Man Tae; Rhee, Kyong Yop; Kim, Hyun Ju; Jung, Dong Ho
- Issue Date
- 7월-2013
- Publisher
- SPRINGER
- Keywords
- carbon nanotube/epoxy/basalt composites; seawater absorption; fracture toughness
- Citation
- CARBON LETTERS, v.14, no.3, pp 190 - 192
- Pages
- 3
- Journal Title
- CARBON LETTERS
- Volume
- 14
- Number
- 3
- Start Page
- 190
- End Page
- 192
- ISSN
- 1976-4251
2233-4998
- Abstract
- It has been demonstrated in a previous study that carbon nanotube (CNT)/epoxy/basalt composites produce better flexural properties than epoxy/basalt composites. In this study, mode. fracture tests were conducted using CNT/epoxy/basalt composites with and without seawater absorption in order to investigate the effect of the seawater absorption on the mode I fracture toughness (G(Ic)) of the CNT/epoxy/basalt composites. The results demonstrated that the compliance of the seawater-absorbed specimen was larger than that of the dry specimen at the same crack length, while the opposite result was obtained for the fracture load. The G(Ic) value of the seawater-absorbed CNT/epoxy/basalt composites was approximately 20% lower than that of the dry CNT/epoxy/basalt composites.
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