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http://dx.doi.org/10.7234/composres.2016.29.6.342

A Study on Fracture Behavior of Center Crack at Unidirectional CFRP due to Stacking Angle  

Park, Jae-Woong (Division of Mechanical and Automotive Engineering, Kongju University)
Cheon, Seong-Sik (Division of Mechanical and Automotive Engineering, Kongju University)
Cho, Jae-Ung (Division of Mechanical and Automotive Engineering, Kongju University)
Publication Information
Composites Research / v.29, no.6, 2016 , pp. 342-346 More about this Journal
Abstract
Carbon fiber reinforced plastic (CFRP), one of lightweight materials, is the fiber structure using carbon fiber. It is the composite material that has the characteristics of carbon and plastic. As for the fiber structure, it has the great strength due to fiber direction. CFRP for woven type is used mostly as such a CFRP with lightweight. Woven type is more stable when compared with unidirectional type. On the other hand, woven type is highly priced. Therefore, this study aims to analyze the fiber structure of unidirectional CFRP. In this study, as the stacking angle [0/X/-X/0], X is the variable. This is unidirectional CFRP in which the angle phase of X has been reversed and stacked. By using such a unidirectional CFRP, the analysis model which had a crack at the center as the form of panel with the thickness of 2 mm was used. On analysis, the load is applied on the upper and lower parts being connected with a pin. The damage in the area near center crack was investigated. As for the analysis model, 3D surface model was designed by using CATIA. For CFRP stacking, the stacking direction was determined by using ACP in ANSYS program and the analysis model with two stacks was made. Afterwards, the structural analysis was carried out.
Keywords
Carbon fiber reinforced plastic; Unidirection; Stacking angle; Fracture behavior;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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