Effect of Curved Mold for Thermal Deformation of CFRP Laminates

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  • ＣＦＲＰ積層板の成形時熱変形に対する曲面成形板の影響
  • CFRP セキソウバン ノ セイケイジ ネツ ヘンケイ ニ タイスル キョクメン セイケイバン ノ エイキョウ

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Fiber reinforced plastics are often made by laminating unidirectional prepreg sheets in various directions. Large deformation during cure process of asymmetric CFRP is caused by mechanical and thermal anisotropic properties of unidirectional prepreg. Several reports have been released concerning flat mold processing. Experimental and FEM study on thermal deformation of orthogonal asymmetric laminates cured on curved mold have also been reported, although the area of survey was somewhat limited. In this paper, systematic experiments on thermal deformation of laminates were performed using flat and curved molds and some new findings were obtained.

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