Infrared-assisted automated fiber placement process on the structure and properties of continuous glass fiber reinforced polypropylene composites

JIANG Wei; ZHOU Yue; YANG Fei; HUANG Zhigao; CHEN Cheng; ZHOU Huamin

doi:10.13801/j.cnki.fhclxb.20220513.004

Volume 40 Issue 4

Apr. 2023

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JIANG Wei, ZHOU Yue, YANG Fei, et al. Infrared-assisted automated fiber placement process on the structure and properties of continuous glass fiber reinforced polypropylene composites[J]. Acta Materiae Compositae Sinica, 2023, 40(4): 2015-2025. doi: 10.13801/j.cnki.fhclxb.20220513.004

Citation:

JIANG Wei, ZHOU Yue, YANG Fei, et al. Infrared-assisted automated fiber placement process on the structure and properties of continuous glass fiber reinforced polypropylene composites[J]. Acta Materiae Compositae Sinica, 2023, 40(4): 2015-2025. doi: 10.13801/j.cnki.fhclxb.20220513.004

Citation:

JIANG Wei, ZHOU Yue, YANG Fei, et al. Infrared-assisted automated fiber placement process on the structure and properties of continuous glass fiber reinforced polypropylene composites[J]. Acta Materiae Compositae Sinica, 2023, 40(4): 2015-2025. doi: 10.13801/j.cnki.fhclxb.20220513.004

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Infrared-assisted automated fiber placement process on the structure and properties of continuous glass fiber reinforced polypropylene composites

doi: 10.13801/j.cnki.fhclxb.20220513.004

State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

Funds: National Natural Science Foundation of China (52175318)

Received Date: 2022-03-30
Accepted Date: 2022-05-03
Rev Recd Date: 2022-04-28

Available Online: 2022-05-16

Publish Date: 2023-04-15

Abstract

Abstract

Compared with laser and hot air heating, infrared (IR) heating has outstanding advantages such as low cost and low pollution, and is an ideal heat source for automated fiber placement (AFP) forming of low-melting thermoplastic composites. However, the coupling of IR-assisted AFP process parameters is strong, and the effects on forming accuracy, defect formation and macroscopic properties are still unclear, and there is a lack of data accumulation of related processes. In this paper, for the IR-assisted AFP in-situ forming process, continuous glass fiber reinforced polypropylene composite unidirectional laminates were prepared by regulating the lay-up pressure and speed, and the effects of lay-up temperature and pressure on the thinning effect, warpage deformation, crystallinity and porosity were investigated, and the influence of structure and defects on the macroscopic mechanical properties such as bending strength and interlaminar shear strength were further investigated. The results show that: Too high temperature leads to severe thinning effect, too low leads to high porosity; Too high forming pressure causes severe warpage and fiber deformation and reduces interlaminar shear strength. Through reasonable control of temperature and pressure, the porosity can be reduced to 1%, which meets the requirement of 2% threshold for civil-composite components; The bending strength of specimens is up to 466 MPa, which is only 6% lower compared with hot pressing forming.
- thermoplastic composite,
- automated fiber placement,
- infrared heating,
- in-situ curing,
- hot-pressing forming,
- continuous glass fiber reinforced polypropylene composites
Long Abstrsct
Innovation Points

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References(37)

References

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