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Maleic anhydride (MAH) was used to corrode aramid fibers (AFs) in order to improve the interfacial compatibility between AFs and polyamide 6 (PA6) and increase the mechanical properties of AFs/PA6 composites. PA6 was mixed with AFs treated with different time gradients uniformly and the standard samples of AFs/PA6 composites were injection molded. FE-SEM, XPS, XRD and DSC were used to study the surface morphologies and element contents of AFs and the impact fracture surface morphologies, crystal form, grain and crystallinities of AFs/PA6 composites. The results show that surface roughness and surface oxygen content of AFs reach the maximum after corrosion for 3 h. The introduction of corroded AFs is beneficial for PA6 to refine grains and form α crystal. The inner of AFs/PA6 composite samples tend to form α crystal easily and the crystallinity has been improved compared with PA6.AFs/PA6 composites have higher tensile strength and bending strength after the addition of surface treated AFs, and mechanical properties of AFs/PA6 composites achieve maximum value when AFs are corroded for 3 h. © 2016, BUAA Culture Media Group Ltd. All right reserved.
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Acta Materiae Compositae Sinica
ISSN: 1000-3851
CN: 11-1801/TB
Year: 2016
Issue: 8
Volume: 33
Page: 1638-1644
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count: 6
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 5