Abstract
In this study, materials with each different fiber content ratio and fiber orientation state were used in the study for the decision of molding condition of GFRP and the condition of lap joint. Clarify joint strength and lap joint efficiency during high temperature and compression press lap joint molding of GFRP and research data regarding the lap length of the joint part was presented. Thus, the purpose of this study is to contribute to the substitution of existing products as well as usage development in the non-automobile field and also to find out precise dynamic characteristics as designing data of structures. In press lap joint molding of GFRP, tensile stress and lap joint connection efficiency was increased according to the increase of lap length L. However, as the increase of compression ratio and fiber content ratio per unit area was higher in impact test, it has caused the deterioration of lap joint efficiency after joint molding of GFRP.
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