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A study on the fracture toughness of seawater-absorbed carbon nanotube/epoxy/basalt composites

Authors
Kim, Man TaeRhee, Kyong YopKim, Hyun JuJung, 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
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/8288
DOI
10.5714/CL.2013.14.3.190
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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