WANG Jian, YU Yue, ZHU Wei, et al. Deep drawing formability of glass fiber/polypropylene composite laminates[J]. Acta Materiae Compositae Sinica, 2018, 35(10): 2640-2650. doi: 10.13801/j.cnki.fhclxb.20180115.006
Citation: WANG Jian, YU Yue, ZHU Wei, et al. Deep drawing formability of glass fiber/polypropylene composite laminates[J]. Acta Materiae Compositae Sinica, 2018, 35(10): 2640-2650. doi: 10.13801/j.cnki.fhclxb.20180115.006

Deep drawing formability of glass fiber/polypropylene composite laminates

doi: 10.13801/j.cnki.fhclxb.20180115.006
  • Received Date: 2017-11-10
  • Rev Recd Date: 2018-01-04
  • Publish Date: 2018-10-15
  • In order to research the rapid prototyping of fiber reinforced composite parts and accelerate large-scale industrial mass production of composite parts, glass fiber/polypropylene composite laminate was selected to be the experimental object. First, the deep drawing test of glass fiber reinforced thermoplastic resin composite (GFRTP), the outer surface fiber orientation of the sheet and in the long axis direction of 0° and 90° at different temperatures were carried out by using the deep drawing mold. Metallographic specimens were prepared by microstructure observation under a light microscope. The molding of the specimen and the different drawing force-stroke curve were analyzed. The shallow drawing test of the GFRTP along the fiber direction of sheet surface and the direction of the long axis of the mold 0°, 45° and 90° at different temperatures was carried out. Tensile properties were tested at room temperature using the molded test piece. The tensile failure and the specific mechanical properties were compared and analyzed. The results show that, between room temperature of 25℃ and the base resin melting temperature of 165℃, the ultimate drawing depth of the plate increases with the increase of the temperature, and the maximum drawing force decreases.In the range of the selected test temperature, the formability of the specimen at 85℃ is better and the specimen at 0° is better than the specimen at 90°. The temperature does not improve the wrinkle of the specimen.The tensile mechanical properties of the specimen are greatly affected by the direction of the laying fiber of the specimen, and it is very important to prevent the occurrence of defects such as wrinkles.

     

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