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복합재료의 계면 전단강도를 평가하기 위한 새로운 반구형 미소접합 시험편A novel hemispherical microbond specimen for evaluating the interfacial shear strength of single fiber composite
- Other Titles
- A novel hemispherical microbond specimen for evaluating the interfacial shear strength of single fiber composite
- Issue Date
- Apr-2008
- Publisher
- 한국복합재료학회
- Keywords
- Interfacial shear strength(계면 전단강도); Hemispherical microbond specimen(반구형 미소접합 시험편); Droplet microbond specimen(드랍레트 미소접합 시험편); Single carbon fiber/epoxy(탄소섬유/에폭시); Interfacial shear strength(계면 전단강도); Hemispherical microbond specimen(반구형 미소접합 시험편); Droplet microbond specimen(드랍레트 미소접합 시험편); Single carbon fiber/epoxy(탄소섬유/에폭시)
- Citation
- Composites Research, v.21, no.2, pp.25 - 30
- Indexed
- KCI
- Journal Title
- Composites Research
- Volume
- 21
- Number
- 2
- Start Page
- 25
- End Page
- 30
- ISSN
- 2288-2103
- Abstract
- A hemispherical microbond specimen adhered onto single carbon fiber has been proposed for evaluating the interfacial shear strength between epoxy and carbon fiber. Hemispherical microbond specimens showed low interfacial shear strength data and its small standard deviation as compared with the droplet one, which seemed to be caused by the reduction of the meniscus effects and of the stress concentration in the region contacting with the tip of pin hole. In comparison with the droplet specimen the hemispherical specimen showed the shear stress distribution similar to the cylindrical one in that low stress concentration arose around the contacting region. Average interfacial shear strength obtained by the hemispherical ones represented a good correlation with the hardness of the epoxy matrix.
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