复合材料科学与工程 ›› 2024, Vol. 0 ›› Issue (9): 37-42.DOI: 10.19936/j.cnki.2096-8000.20240928.005

• 基础研究 • 上一篇    下一篇

碳纤维/聚芳醚酮热塑性复合材料与环氧涂层的附着力研究

李沫莹1, 郑林峰2, 刘刚1, 李梦娇1, 姚佳楠1*   

  1. 1.东华大学 材料科学与工程学院 纤维材料改性国家重点实验室 先进低维材料中心,上海 201620;
    2.中国直升机设计研究所,景德镇 333000
  • 收稿日期:2024-01-30 出版日期:2024-09-28 发布日期:2024-10-18
  • 通讯作者: 姚佳楠(1990—),女,博士,讲师,硕士生导师,研究方向为高性能热塑性复合材料,yjn@dhu.edu.cn。
  • 作者简介:李沫莹(2000—),女,硕士研究生,研究方向为高性能热塑性复合材料。

Adhesion study of carbon fiber/polyaryletherketone thermoplastic composites with epoxy coatings

LI Moying1, ZHENG Linfeng2, LIU Gang1, LI Mengjiao1, YAO Jianan1*   

  1. 1. Center for Advanced Low-Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China;
    2. China Helicopter Research and Development Institute, Jingdezhen 333000, China
  • Received:2024-01-30 Online:2024-09-28 Published:2024-10-18

摘要: 随着连续纤维增强热塑性复合材料在航空航天领域的快速发展,针对热塑性复合材料的表面涂装也变得尤为重要,因此,系统地开展了传统的环氧涂层与碳纤维增强聚芳醚酮(CF/PAEK)热塑性复合材料的附着力研究。分别研究喷砂处理、等离子体处理和喷砂处理+等离子体处理三种不同表面处理方式对复合材料表面的微观形貌、粗糙度、接触角和化学性质以及复合材料与环氧涂层间的附着强度的影响。结果表明:三种表面处理方式都能有效增加复合材料与环氧涂层附着强度。其中,通过喷砂处理+等离子体处理后的复合材料表面涂层附着强度最高,为26.6 MPa,与未处理相比提高了23.1%。同时,三种表面处理方式处理后复合材料表面涂层的耐热性能和耐液压油性能良好,保持率均高于80%。

关键词: 热塑性复合材料, 环氧涂层, 附着力, 等离子体处理, 喷砂处理

Abstract: With the rapid development of continuous fiber reinforced thermoplastic composites in aerospace field, the surface coating for thermoplastic composites has also become particularly important, therefore, a systematic study of the adhesion of conventional epoxy coatings to carbon fiber reinforced polyaryletherketone (CF/PAEK) thermoplastic composites was carried out. The effects of abrasive blasting treatment, plasma treatment and abrasive blasting treatment + plasma treatment on the microscopic morphology, roughness, contact angle and chemical properties of the composite surface, as well as the adhesion strength between the composites and the epoxy coatings, were investigated separately. The results show that those three surface treatments can effectively increase the adhesion strength between the composites and the epoxy coating. Among them, the highest adhesion strength of 26.6 MPa was obtained for the composite surface coating after sandblasting + plasma treatment, which was 23.1% higher than that of untreated. Meanwhile, the heat resistance and hydraulic oil resistance of the composite surface coating adhesion strength after the three surface treatment were good, and the retention rate is higher than 80%.

Key words: thermoplastic composites, epoxy coatings, adhesion, plasma treatment, abrasive blasting treatment

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