Mechanical Characteristic Changes of Carbon Fiber Reinforced Plastics (CFRP) Depending on the Lamination Methods

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The prepreg process among the CFRP (Carbon Fiber Reinforced Plastic) forming methods is the short term of ‘Pre-impregnation’, which is widely used for aerospace composites that require a high quality property such as a fiber-reinforced woven fabric, in which an epoxy hardening resin is impregnated. the reality is, however, that this process requires continuous researches and developments for its commercialization because the delamination characteristically develops between the layers when a great weight is loaded from outside. to supplement such demerit, three lamination methods among the prepreg lamination methods of CFRP were designed to minimize the delamination between the layers due to external impacts. Further, the newly designed methods and the existing lamination methods were analyzed through a mechanical characteristic test, tensile test and infrared thermal device during the tensile tests, to obtain a better property than the existing lamination methods. the tensile test result showed that the newly designed three lamination methods, i.e. Roll, Half and Zigzag lamination methods, appeared superior to the Play lamination method in the aspects of the strength and strain. The strength of the Zigzag lamination method, which was the highest, was confirmed as being improved by about 20% than that of the Ply method.

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Edited by:

Dashnor Hoxha, Francisco E. Rivera and Ian McAndrew

Pages:

130-134

Citation:

I. P. Cha et al., "Mechanical Characteristic Changes of Carbon Fiber Reinforced Plastics (CFRP) Depending on the Lamination Methods", Advanced Materials Research, Vol. 1016, pp. 130-134, 2014

Online since:

August 2014

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$38.00

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[2] H.J. Shin: The Strength Evaluation and Nondestructive Testing of Carbon Fiber Composites, Master's degree dissertation, University of Jeonju (2013).

[3] S.H. Ko, H.G. Kim, H.J. Shin, H.W. Kim, I.P. Cha, L.K. Kwac: A Study on Tensile Peroperties According to Stacking Methods of CFRP, Proceedings of ICMTE Conference (2013).

[4] Standard Test Method for Tensile Properties of Reinforced Thermosetting Plastics Using Straight-Sided Specimens, D 5083-02.

DOI: https://doi.org/10.1520/d5083-10

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