Effect of Press Condition on the Mechanical Properties of GFRTP Molded by the Melted Thermoplastic-Resin Transfer Molding

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The application of Fiber Reinforced Thermoplastics (FRTP) is expected to reduce the weight of automobiles. The press and injection hybrid molding method was developed to mold FRTP with high strength and high stiffness by giving complicated shapes such as ribs and bosses to the outer shell structure of FRTP with continuous fiber. However, as this method uses high-cost FRTP laminated sheets, it is necessary to develop a low-cost FRTP manufacturing process. In this study, we aim at the development of Melted Thermoplastic-Resin Transfer Molding (MT-RTM) to mold FRTP with complicated shape at low cost by injecting melted short fiber reinforced thermoplastics into dry fabric. The effects of press condition on the mechanical properties of GFRTP molded by MT-RTM were clarified by bending tests. GFRTP molded at high mold temperature and high closing speed showed high mechanical properties because of good impregnation of injection resin into continuous fabric in the outer shell structure.

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Edited by:

Luis Rodríguez-Tembleque, Jaime Domínguez and Ferri M.H. Aliabadi

Pages:

367-372

Citation:

K. Tanaka et al., "Effect of Press Condition on the Mechanical Properties of GFRTP Molded by the Melted Thermoplastic-Resin Transfer Molding", Key Engineering Materials, Vol. 774, pp. 367-372, 2018

Online since:

August 2018

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$38.00

[1] T. Ishikawa, Overview of carbon fiber reinforced composites (CFRP) applications to automotive structural parts –focused on thermoplastic CFRP–,, Journal of the Japan Society for Precision Engineering, Vol.81, No.6, pp.489-493 (2015).

DOI: https://doi.org/10.2493/jjspe.81.489

[2] M. Yamane, I. Ohsawa, K. Uzawa, T. Masato and J. Takahashi, Possibility of repeated recycling of CFRTP for mass production automotive application,, Proceedings of 15th European Conference on Composite Materials, pp.1-8 (2012).

[3] D. Abraham, S. Matthews and R. Mcilhagger, A comparison of physical properties of glass fiber epoxy composites produced by wet lay-up with autoclave consolidation and resin transfer molding,, Composites: Part A 29A, pp.795-801 (1998).

DOI: https://doi.org/10.1016/s1359-835x(98)00055-4

[4] K. Tanaka, M. Ogawa and T. Katayama, Formability evaluation and finite-element analysis of diaphragm molding for GFRTP with in-plane tension,, Journal of the Society of Materials Science, Japan, Vol.67, No.4, pp.453-459 (2018).

DOI: https://doi.org/10.2472/jsms.67.453

[5] S. Baba, Continuous fiber reinforced thermoplastics CFRTP・GFRTP and market,, Journal of the Japan Society for Precision Engineering, Vol.81, No.6, pp.503-506 (2015).

DOI: https://doi.org/10.2493/jjspe.81.503

[6] Toray Industries Inc., Fabrication method of Fiber Reinforced Plastics,, Japan Patent, Japan Patent. WO2012-172982 (2012).

[7] Mitsubishi Heavy Industries Plastic Technology Inc., Fabrication method of fiber reinforced composite,, Japan Patent. WO2011-118226 (2011).

[8] K. Tanaka, M. Sone and T. Katayama, Evaluation of tensile property of CF/PA6 at molding temperature,, Journal of the Society of Materials Science, Japan, Vol.67, No.4, pp.460-467 (2018).

DOI: https://doi.org/10.2472/jsms.67.460

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