A study on the correlation between microstructure change and the mechanical strength of a single CF modified by electron beam
(주)코리아스칼라
- 최초 등록일
- 2023.05.08
- 최종 저작일
- 2022.03
- 13페이지/ 어도비 PDF
- 가격 4,500원
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon letters / 32권 / 2호
ㆍ저자명 : Jin‑Soo Jeong, Kwan‑Woo Kim, Dong Chul Chung, Kay‑Hyeok An, Byung‑Joo Kim
목차
Abstract
1 Introduction
2 Experimental
2.1 Materials and electron beam irradiation
2.2 Surface analysis
2.3 Mechanical strength analysis
2.4 Micro-structure analysis
2.5 Composition analysis of the carbon fiber surface
3 Results and discussion
3.1 Changes in carbon fiber surface
3.2 Mechanical properties of the carbon fibers
3.3 Microstructure and elemental analysis
4 Conclusion
Acknowledgements
References
영어 초록
Abstract In this study, micro-defects on/in carbon fibers were modified by irradiation with an electron beam, which improved the mechanical strength of single carbon fibers. The electron beam irradiation was 10 kGy (using a 1.5 MeV accelerator in the air). The total doses ranged from 100 to 500 kGy. The tensile strength of the single carbon fiber was measured using a universal testing machine. The micro-defects on the fiber surface were observed with scanning electron microscopy and atomic force microscopy, and those in the fiber were evaluated by Raman spectroscopy. In conclusion, the electron beam treatment produced changes in the micro-defects on/in the carbon fibers, resulting in up to 14% improvement in the tensile strength of single carbon fiber.
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