Effect of polyacrylonitrile nanofiber membrane on interlaminar shear properties of poly-p-phenylene benzobisoxazole fabric reinforced composites

LU Yao; ZHAO Yufen; TIAN Huixia; LI Xiaoyu; GAO Xingzhong; FAN Wei

doi:10.13801/j.cnki.fhclxb.20211116.005

Volume 39 Issue 12

Dec. 2022

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LU Yao, ZHAO Yufen, TIAN Huixia, et al. Effect of polyacrylonitrile nanofiber membrane on interlaminar shear properties of poly-p-phenylene benzobisoxazole fabric reinforced composites[J]. Acta Materiae Compositae Sinica, 2022, 39(12): 6130-6138. doi: 10.13801/j.cnki.fhclxb.20211116.005

Citation:

LU Yao, ZHAO Yufen, TIAN Huixia, et al. Effect of polyacrylonitrile nanofiber membrane on interlaminar shear properties of poly-p-phenylene benzobisoxazole fabric reinforced composites[J]. Acta Materiae Compositae Sinica, 2022, 39(12): 6130-6138. doi: 10.13801/j.cnki.fhclxb.20211116.005

Citation:

LU Yao, ZHAO Yufen, TIAN Huixia, et al. Effect of polyacrylonitrile nanofiber membrane on interlaminar shear properties of poly-p-phenylene benzobisoxazole fabric reinforced composites[J]. Acta Materiae Compositae Sinica, 2022, 39(12): 6130-6138. doi: 10.13801/j.cnki.fhclxb.20211116.005

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Effect of polyacrylonitrile nanofiber membrane on interlaminar shear properties of poly-p-phenylene benzobisoxazole fabric reinforced composites

doi: 10.13801/j.cnki.fhclxb.20211116.005

LU Yao^{1, 2
,},
ZHAO Yufen³,
TIAN Huixia⁴,
LI Xiaoyu^{1, 2},
GAO Xingzhong^{1, 2},
FAN Wei^{1, 2
,
,}

1.
School of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an 710048, China
2.
Key Laboratory of Functional Textile Materials and Products, Ministry of Education, Xi'an Polytechnic University, Xi'an 710048, China
3.
AVIC Armor Technology CO., LTD., Tianjin 300399, China
4.
Xi'an Aviation Brake Technology CO., LTD., Xi'an 713106, China

Received Date: 2021-10-09
Accepted Date: 2021-11-08
Rev Recd Date: 2021-11-01

Available Online: 2021-11-17

Publish Date: 2022-12-01

Abstract

Abstract

The surface bonding ability of poly-p-phenylene benzobisoxazole (PBO) fibers is weak, and its interface strength after being compounded with resin is low, which affects the mechanical properties of composite materials. This research coated the PBO plain weave fabric with a layer of polyacrylonitrile (PAN) nanofiber membrane by electrospinning. The composite material was subsequently obtained by layering and curing, which formed a gradient interface between the PBO fibers and the epoxy resin to improve the interface strength of composite materials. The short beam shear test of composites was carried out by universal testing machine, and the best interlayer performance enhancement effect was determined by changing the spinning voltage. The relative stiffness image in interface was obtained with atomic force microscope (AFM) to investigate the enhancing mechanism of interface strength. The results show that when the spinning voltage is 20 kV, the interlaminar performance of the composite is most obvious under the condition that the pushing speed of the syringe pump and the rotating speed of the collecting roller remain unchanged. Compared with the pure PBO fibers reinforced composites, the interlaminar shear strength of the PBO fiber reinforced composites coated with film is increased by 40.1%. The gradient interface structure helps to transfer the stress evenly from the resin matrix to the fiber reinforcement and improve the mechanical properties of the composites.
- poly-p-phenylene benzobisoxazole (PBO) fibers,
- nanofiber membrane,
- composite materials,
- electrospinning technology,
- interlaminar shear strength
Long Abstrsct
Innovation Points

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References(29)

References

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