EFFECT OF INFRARED HEATING WINDING FORMING PROCESS PARAMETERS ON INTERLAMINAR SHEAR PROPERTIES OF CF/PEEK COMPOSITES

Abstract

Abstract: In order to manufacture continuous carbon fiber reinforced polyetheretherketone composites (CF/PEEK) winding product with excellent interlayer adhesion performance, the CF/PEEK unidirectional tape prepared by powder impregnation process was used as raw material, and the winding forming process was studied by using a self-made high-power infrared heating thermoplastic composite winding forming equipment. The quality of the winding products were evaluated by testing the interlaminar shear strength. The effects of key process parameters such as feed tension, compaction force, winding rate, winding temperature, preheating time and cooling rate on the performance of CF/PEEK ring products were studied. The results showed that the winding products had an excellent performance manufactured under the optimal condition as follow: molding temperature 410 ℃, preheating for 45 minutes, feeding tension 8 kg, cylinder pressure of roller 0.30 MPa, mandrel rotating speed 6 r/min, and slow cooling condition. The interlaminar shear strength of the prepared CF/PEEK ring was up to 82.29 MPa. Based on the above research results, the CF/PEEK winding pipe was prepared.

Key words: CFRTP, polyetheretherketone, infrared heating, winding process, interlaminar shear strength

CLC Number:

TB332

SHAN Hao, CHEN Yu, LI Jun-jie, YAO Qian. EFFECT OF INFRARED HEATING WINDING FORMING PROCESS PARAMETERS ON INTERLAMINAR SHEAR PROPERTIES OF CF/PEEK COMPOSITES[J]. Fiber Reinforced Plastics/Composites, 2020, 0(1): 39-46.

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