Experimental study on compacting performance of continuous carbon fiber reinforced thermosetting prepreg

doi:10.19936/j.cnki.2096-8000.20220728.007

Abstract

Abstract: The compaction performance of the prepreg is an important indicator that affects the formation of composite materials. In order to understand the compaction performance of pre-immersion in the formation process, this paper establishes effective and stable test programs. The stress and strain of continuous carbon fiber/epoxy prepreg is carried out, using universal testing machine and self-designing device, test and characterize the prepreg in the compaction process. Four structures and process parameters such as size, thickness, temperature and rate of descent are controlled to explore the impact of these factors against compaction. The results show that size, thickness, temperature have a significant effect on stress strain results, and the rate of descent has little effect. At the same time, the test results are fitted with the stress hardening model, and the results show that there is an index relationship between stress and strain at the time of prepreg resin.

Key words: thermosetting composite, prepreg, compaction, experiment test, stress hardening model

CLC Number:

TB332

MAN Jia-cheng, HOU Jin-sen, LI Zhe-fu, YUE Guang-quan, XU Peng, JIANG Bi-yu, LIU Wei-ping. Experimental study on compacting performance of continuous carbon fiber reinforced thermosetting prepreg[J]. COMPOSITES SCIENCE AND ENGINEERING, 2022, 0(7): 45-51.

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