先进树脂基复合材料高压微波固化工艺实验研究

玻璃钢/复合材料 ›› 2018, Vol. 0 ›› Issue (1): 68-72.

先进树脂基复合材料高压微波固化工艺实验研究

丁星星¹, 湛利华^{1, 2*}, 李树健¹, 常腾飞¹

1.中南大学轻合金研究院,长沙410083;
2.中南大学机电工程学院,长沙410083

收稿日期:2017-07-07 出版日期:2018-01-20 发布日期:2018-01-20
通讯作者: 湛利华(1976-),女,博士,教授,主要从事先进材料制备技术与装备方面的研究,yjs-cast@csu.edu.cn。
作者简介:丁星星(1988-),男,硕士,主要从事碳纤维增强热固性树脂复合材料方面的研究。
基金资助:
国家重点基础研究发展计划(973计划)项目(2014CB046502)

EXPERIMENTAL STUDY ON HIGH PRESSURE MICROWAVE CURING PROCESS OF ADVANCED RESIN MATRIX COMPOSITES

DING Xing-xing¹, ZHAN Li-hua^1,2*, LI Shu-jian¹, CHANG Teng-fei¹

1.Institute of Light Alloy, Central South University, Changsha 410083, China;
2.School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China

Received:2017-07-07 Online:2018-01-20 Published:2018-01-20

摘要/Abstract

摘要： 先进树脂基复合材料在航空航天领域应用广泛,采用高效率、低能耗的微波固化工艺以获得令人满意的固化质量的构件,已逐渐引起学者们的关注。将高压引入树脂基复合材料的固化过程中,通过缺陷分析、显微金相、力学性能检测等手段,对先进树脂基复合材料的高压微波固化质量进行实验研究。结果表明,高压微波固化能有效实现树脂基复合材料的固化,与传统热压罐工艺相比,高压微波固化工艺可获得低孔隙、少缺陷、纤维/树脂界面结合较好的固化质量,拉伸强度提高4.82%,层间剪切强度提高10.32%。研究结果为复合材料高压微波固化技术的推广与应用提供了实验数据支撑。

关键词: 微波固化, 高压, 力学性能, 微观结构

Abstract: Advanced resin-based composite materials have been widely applied in the field of aerospace. And the way to obtain satisfactory curing quality components with high efficiency, low energy consumption of microwave curing process has gradually attracted the attention of scholars. The high pressure was introducted in advanced resin-based composite materials curing process in this article. The quality of high-pressure microwave curing composite materials were studied based on defect analysis, microstructure observation and mechanical properties testing, respectively. The result indicates that high pressure microwave curing technology can effectively achieve the curing of resin matrix composites. Compared with the autoclave process, high-pressure microwave curing process can achieve low porosity, less defects, fiber/resin interface with better micro-quality. The mechanical properties of high pressure microwave composites have been improved. The material tensile strength can be increased by 4.82% and the interlayer shear strength can be increased by 10.32%. The results provide the basis for the popularization and application of high pressure microwave curing technology in composites. Through the analysis of the experimental results, it can be concluded that the high-pressure microwave curing process improves the transverse tensile properties and interlaminar shear properties of the components. The interal quality of the components is better, and the phenomenon of debonding does not occur on the interface.

Key words: microwave curing molding, high pressure, mechanical properties, micro structure

中图分类号:

TB332

丁星星, 湛利华, 李树健, 常腾飞. 先进树脂基复合材料高压微波固化工艺实验研究[J]. 玻璃钢/复合材料, 2018, 0(1): 68-72.

DING Xing-xing, ZHAN Li-hua, LI Shu-jian, CHANG Teng-fei. EXPERIMENTAL STUDY ON HIGH PRESSURE MICROWAVE CURING PROCESS OF ADVANCED RESIN MATRIX COMPOSITES[J]. Fiber Reinforced Plastics/Composites, 2018, 0(1): 68-72.

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