A Study on the Evaluation Method for optimal Tensile NOL Ring Composite Specimen Manufactured by Filament Winding Process-to manufacture and elvaluate the composite turbine blade of wind generator system-

필라멘트 와인딩 공법으로 제조된 복합재료 NOL Ring 시험편의 최적 인장강도의 평가법에 관한 연구 -풍력발전용 복합재료 터빈블레이드 제조 및 평가를 목적으로-

  • 배창원 (한국해양대학교 대학원) ;
  • 권순철 (한국해양대학교 대학원) ;
  • 임철문 (한국해양대학교 대학원) ;
  • 엄수현 (한국해양대학교 기계소재공학부 학부생) ;
  • 김윤해 (한국해양대학교)
  • Published : 2001.01.01

Abstract

Filament winding process is a comparatively simple operation in which continuous reinforcements in the form of roving are wound over a rotating mandrel. And now it is well established as a versatile method for storage tanks and pipe for the chemical and other industries. In this study, tensile strength of a filament wound ring specimens were evaluated by split disk test fixture and dress disk test fixture. The results obtained from experiments were compared with the theoretical values obtained by the rule of mixture. And the purpose of this paper is to suggest an appropriate test method for the evaluation of tensile properties of filament wound structures. The tensile strength of a ring specimens tested by the dress disk test showed better agreement with the theoretical values than of a ring specimen tested by the split disk test because the stress concentration in edges of s split disk test fixture is more severe than the that of dress disk test fixture. The results showed that the tensile strength of a ring specimen was influenced by the geometry of test fixture, the continuity of fibers, fiber-tension, fiber-end and stress concentration in specimen.

Keywords

References

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