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파괴면적지수법을 이용한 복합재료 기계적 체결부의 강도평가에 관한 연구A Study on the strength of mechanically fastened composite joint using the failure area index method

Other Titles
A Study on the strength of mechanically fastened composite joint using the failure area index method
Authors
전영준최진호권진회
Issue Date
Oct-2003
Publisher
한국복합재료학회
Keywords
기계적 체결(Mechanical joint); 파손지수(Failure index)韓國複合材料學會誌 1
Citation
Composites Research, v.16, no.5, pp 1 - 6
Pages
6
Indexed
KCICANDI
Journal Title
Composites Research
Volume
16
Number
5
Start Page
1
End Page
6
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/29302
ISSN
2288-2103
2288-2111
Abstract
복합재료의 사용이 일반화되면서 복합재료 구조물의 효율성은 복합재료 구조자체 보다는 복합재료 체결부에 의해서 결정되기 때문에 복합재료 체결부의 설계는 매우 중요한 연구분야가 되고 있다. 본 논문에서는 체결부의 형상변화 및 적층순서의 변화에 따른 파손하중을 파괴면적지수법에 의한 수치적인 예측과 실험치를 비교하여 파괴면적지수법의 유용성을 검토하였다. 연구되어진 11 cases에 대해서 파괴면적지수법에 의한 예측하중은 측정된 파손하중과 최대 9.96%내의 오차를 가짐을 볼 수 있었다.
As the use of composites has become popular in recent years, the design of the composite joints has become a very important research area because the structural efficiency of the composite structure is determined by its joints, not by its basic structures. In this paper, presented comparisons of numerical results by the FAI (Failure area index) method[9] and measured data for a various geometric shapes and stacking sequence justify the validity of the FAI method. The FAI method is shown to produce very favorable comparisons with measured failure loads of mechanically fastened composite joints with the difference well within 9.96% for all 11 cases investigated.
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