초록 |
Carbon fiber reinforced plastics (CFRP) with the superior mechanical properties and low density have been considered to one of the promising lightweight materials for automotive application. Automotive industry requires the mass production system of composite parts, for which cost reduction and fast speed of manufacturing process are inevitable. There are two kinds of approaches for high speed process of composite products, which are liquid molding based process and compression molding based one. Even though some companies have already produced the composite carbody parts, there are still remained problems on product quality for applying to the mass production system of automotive parts. One of the important quality issues, formation of fiber distortion in the manufacturing processes, are described quantitatively and the both theoretical and experimental approaches for predicting and solving them are discussed in the study. |