航空发动机用T800级碳纤维增强聚酰亚胺复合材料制备及性能

doi:10.19936/j.cnki.2096-8000.20220228.031

复合材料科学与工程 ›› 2022, Vol. 0 ›› Issue (5): 46-51.DOI: 10.19936/j.cnki.2096-8000.20220228.031

航空发动机用T800级碳纤维增强聚酰亚胺复合材料制备及性能

倪洪江^1,2, 李军^1,2, 邢宇^1,2, 戴霄翔^1,2, 张代军^1,2*, 陈祥宝^1,2

1.中国航发北京航空材料研究院,北京 100095;
2.先进复合材料国防科技重点实验室,北京 100095

收稿日期:2021-12-31 出版日期:2022-05-28 发布日期:2022-07-19
通讯作者: 张代军(1985-),男,研究员,博士,主要从事树脂基复合材料方面的研究,15810534483@139.com。
作者简介:倪洪江(1987-),男,博士,高级工程师,主要从事耐高温树脂基复合材料方面的研究。
基金资助:
中国科协青年人才托举工程(YESS20200158);国家科技重大专项(J2019-Ⅵ-0013)

Preparation and properties of T800-class carbon fiber reinforced polyimide composite for aero engine

NI Hong-jiang^1,2, LI Jun^1,2, XING Yu^1,2, DAI Xiao-xiang^1,2, ZHANG Dai-jun^1,2*, CHEN Xiang-bao^1,2

1. AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China;
2. National Key Laboratory of Advanced Composites, Beijing 100095, China

Received:2021-12-31 Online:2022-05-28 Published:2022-07-19

摘要/Abstract

摘要： 针对航空发动机对高性能耐高温树脂基复合材料的需求,开展了T800级碳纤维增强聚酰亚胺复合材料制备与性能研究。研制了苯乙炔封端聚酰亚胺树脂基体EC-380A,开发了T800级碳纤维预浸料连续制备技术,获得了复合材料性能。树脂具备370 ℃~400 ℃耐温能力,可采用热压罐工艺成型。T800级碳纤维/EC-380A复合材料表现出耐高温、高强度、高模量和高韧性特点:室温下拉伸强度和模量分别达到2 120 MPa和169 GPa,冲击后压缩强度(CAI)达到256 MPa,370 ℃孔拉强度和模量高温保持率达到97%和84%以上。制备了典型结构件,安全裕度充足。

关键词: 航空发动机, 聚酰亚胺, T800级碳纤维, 耐高温复合材料

Abstract: Aiming at the need of aero engines for high-temperature resistance polymer-matrix composites with high performance, research works were carried out on preparation and properties T800-class carbon fiber reinforced polyimide composite. Phenylacetylene(PEPA)-endcapped polyimide resin, EC-380A, was developed. Continuous fabrication technology for the T800-class fiber prepreg was established. Properties of the composite were obtained. The resin exhibits an application temperature of 370 ℃~400 ℃, and is suitable for autoclave processing. The T800-class fiber/EC-380A composite exhibits features of high-temperature resistance, high strength, high modulus and high toughness, with a room temperature tensile strength and modulus of 2 120 MPa and 169 GPa, respectively, a compressive strength after impact (CAI) of 256 MPa, and 370 ℃ retention rates of open-hole strength and modulus above 97% and 84%, respectively. Typical components have been fabricated, and exhibit sufficient safety margins.

Key words: aero engine, polyimide, T800-class carbon fiber, high-temperature composite

中图分类号:

TB332

倪洪江, 李军, 邢宇, 戴霄翔, 张代军, 陈祥宝. 航空发动机用T800级碳纤维增强聚酰亚胺复合材料制备及性能[J]. 复合材料科学与工程, 2022, 0(5): 46-51.

NI Hong-jiang, LI Jun, XING Yu, DAI Xiao-xiang, ZHANG Dai-jun, CHEN Xiang-bao. Preparation and properties of T800-class carbon fiber reinforced polyimide composite for aero engine[J]. COMPOSITES SCIENCE AND ENGINEERING, 2022, 0(5): 46-51.

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航空发动机用T800级碳纤维增强聚酰亚胺复合材料制备及性能

Preparation and properties of T800-class carbon fiber reinforced polyimide composite for aero engine

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