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Effect of stacking sequence on the flexural and fracture properties of carbon/basalt/epoxy hybrid composites

Authors
Lim, Jae IlRhee, Kyong YopKim, Hyun JuJung, Dong Ho
Issue Date
4월-2014
Publisher
SPRINGER JAPAN KK
Keywords
hybrid; basalt fiber; carbon fiber; flexural; fracture toughness
Citation
CARBON LETTERS, v.15, no.2, pp 125 - 128
Pages
4
Journal Title
CARBON LETTERS
Volume
15
Number
2
Start Page
125
End Page
128
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/857
DOI
10.5714/CL.2014.15.2.125
ISSN
1976-4251
2233-4998
Abstract
In this study, the effect of stacking sequence on the flexural and fracture properties of carbon/basalt/epoxy hybrid composites was investigated. Two types of carbon/basalt/epoxy hybrid composites with a sandwich form were fabricated: basalt skin-carbon core (BSCC) composites and carbon skin-basalt core (CSBC) composites. Fracture tests were conducted and the fracture surfaces of the carbon/basalt/epoxy hybrid composites were then examined using scanning electron microscopy (SEM). The results showed that the flexural strength and flexural modulus of the CSBC specimen respectively were similar to 32% and similar to 245% greater than those of the BSCC specimen. However, the interlaminar fracture toughness of the CSBC specimen was similar to 10% smaller than that of the BSCC specimen. SEM results on the fracture surface showed that matrix cracking is a dominant fracture mechanism for the CSBC specimen while interfacial debonding between fibers and epoxy resin is a dominant fracture process for the BSCC specimen.
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친환경해양개발연구본부 (해수에너지연구센터)
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