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하이브리드 복합재료의 층간파괴 인성치에 관한 연구 원문보기
(A) study on the interlaminar fracture toughness of hybrid composites

  • 저자

    곽대원

  • 학위수여기관

    慶尙大學校 大學院

  • 학위구분

    국내석사

  • 학과

    기관공학과

  • 지도교수

  • 발행년도

    2003

  • 총페이지

    vii, 47p.

  • 키워드

    하이브리드 복합재료 층간파괴 기관공학;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T10059975&outLink=K  

  • 초록

    This paper describes the effect of loading rate, specimen geometries and material properties for Mode I and Ⅱ interlaminar fracture toughness of hybrid composite by using Double Cantilever Beam(DCB) and End Notched Flexure(ENF) specimen. In the range of loading rate 0.5∼20mm/min, there is found to be no significant effect of loading rate on the value of critical energy release rate. There is no dependence of the interlaminar fracture energy upon the specimen width examined. The value of G_(IC) and G_(ⅡC) for variation of initial crack length are nearly similar values when material properties are CF/CF and GF/GF, however, the value of G_(IC) and G_(ⅡC) of CF/GF are highest with the increasing intial crack length. The SEM photographs show good fiber distribution and interfacial bonding of hybrid composites when the moulding is the CF/GF.


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