Study on the Development of Photoelastic Experiment of Orthotropic Material (I)

직교 이방성의 광탄성 실험법 개발에 관한 연구 I

In the composite structures or the concrete structures, to analyze stress concentration factor, stress distributions and fracture mechanics of them under forces by photoelastic experiment, it is natural that to develope photoelastic model material for them is surely necessary. Thus, the orthotropic photoelastic model material for the transparent type photoelastic device was developed in the paper, it is called Copper Fiber Epoxy Composite and abbreviated as E.F.E.C. It was found that C.F.E.C. developed in this paper was satisfied with the properties of photoelastic model material that the photoelastic model material should have and that C.F.E.C. had completely properties of composite material. It is thought that C.F.E.C. can be applied to both medical engineering for modeling biological tissue and to the aerospace industry as orthotropic photoelastic material.

높은 강도의 재료개발과 항공기, 선박 각종 구조물 등의 여러 분야에서 복합재료의 사용이 증가함에 따라 복합재료 구조물의 응력분포나 응력집중, 파괴 역학 등에 대한 연구가 수행중이다. 이러한 복합체 구조물을 투과용 광탄성 실험을 통하여 해석하고져 할 때는 모델재료가 절대적으로 필요하므로 본 논문에서는 이 재료개발을 위한 내용을 수록하였다.