Details

Autor(en) / Beteiligte

• Du, Yijun
• Quan, Xiaoxi
• Liu, Zheyuan
• Deng, Yu
• Chen, Shuo
• Yang, Qingxin
• Li, Zewen
• Luo, An

Titel

Plasma Surface Modification to Reduce Interfacial Defects in Aramid Fiber/Epoxy Composites

Ist Teil von

• The Proceedings of the 18th Annual Conference of China Electrotechnical Society, 2024, Vol.1178, p.625-633

Ort / Verlag

Singapore: Springer Singapore Pte. Limited

Erscheinungsjahr

2024

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• The wide application of aramid fiber (AF) reinforced polymer composites in the electronic and power industries is believed to be restricted by the defects on the AF/resin interface. In this work, AF surface modification methods by atmospheric plasma and toluene-2,4-diisocyanate (TDI) treatment were used to improve the AF/epoxy interfacial performance. Composite winding tubes were prepared by modified AF and epoxy resin. Tensile strength of AF monofilaments was measured and the AF/epoxy composites were characterized by scanning electron microscope (SEM), dye penetration test and water diffusion test. Experimental results showed that unmodified AF/epoxy composites contained multiple interfacial defects, modified AF/epoxy composites had less area of penetration at the top surface in dye penetration test and showed better insulating performance in water diffusion test. The tensile strength of AF was not affected, the performance of the AF/epoxy interface was improved and the defects in composites were reduced after modification. The modification methods proposed in this paper has a good industrial application prospect.