氧化铝增强混杂纤维复合材料传动轴微波固化性能研究

玻璃钢/复合材料 ›› 2019, Vol. 0 ›› Issue (1): 15-22.

氧化铝增强混杂纤维复合材料传动轴微波固化性能研究

郑伟峰^1,2, 周来水^1*, 袁铁军¹, 安鲁陵¹

1.南京航空航天大学机电学院,南京210016;
2.广东海洋大学机械与动力工程学院,湛江524088

收稿日期:2018-05-04 出版日期:2019-01-28 发布日期:2019-01-28
通讯作者: 周来水(1962-),男,博士,博士生导师,主要从事先进制造技术方面的研究,zlsme@nuaa.edu.cn。
作者简介:郑伟峰(1976-),男,博士生,讲师,主要从事复合材料数字化设计制造方面的研究。
基金资助:
国家自然基金(51575266)

MECHANICAL PROPERTIES OF HYBRID FIBER COMPOSITE SHAFT REINFORCED BY Al₂O₃ PARTICLES MANUFACTURED BY MICROWAVE CURING

ZHENG Wei-feng^1,2, ZHOU Lai-shui^1*, YUAN Tie-jun¹, AN Lu-ling¹

1.College of Mechanical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;
2.School of Mechanical and Power Engineering, Guangdong Ocean University, Zhanjiang 524088, China

Received:2018-05-04 Online:2019-01-28 Published:2019-01-28

摘要/Abstract

摘要： 为了提升微波固化成型复合材料传动轴的承载能力,提出了采用混杂纤维作为增强体,氧化铝颗粒增强环氧作为基体的材料增强方法,同时进行微波固化工艺的优化。通过对比平板试样的层间剪切、拉伸以及动态冲击性能,确定最优体积混杂比、氧化铝含量及微波固化参数。在此基础上,通过织物湿法缠绕制备传动轴缩比件,基于轴的弯曲和扭转试验,对比热固化和微波固化的性能差异等。结果表明:①利用低功率预热结合高功率固化,可以在保证固化效率的前提下,提高试样的层间剪切强度;②随着碳/玻混杂比的增加,在试样层间剪切和面内拉伸性能增加的同时,伴随着冲击韧性的降低;③随着氧化铝含量从0增加到30%,试样的层间剪切强度、拉伸强度和模量分别提升了8.7%、27.9%和12.5%,含量进一步增加会造成性能降低;④热固化和微波固化得到的复合材料传动轴身管的最大扭矩、弯曲强度/模量性能处于同一水平。

关键词: 复合材料传动轴, 微波固化, 颗粒增强, 混杂纤维, 力学性能

Abstract: Aiming at improving the bearing capacity of composite transmission shaft manufactured by microwave curing, the material enhancement method with hybrid fiber as reinforcement and alumina particle reinforced epoxy as matrix was proposed. The microwave curing process was optimized simultaneously. The optimal hybrid volume ratio, Al₂O₃ content and microwave curing parameters were determined by comparing the interlaminar shear, tensile and dynamic impact properties of plate specimens. On that basis, the reduced transmission shaft was manufactured by wet winding with fabrics. The mechanical property difference between thermal and microwave curing was compared by bending and torque test. The experimental results showed that ① the interlaminar shear strength of specimen could be enhanced by low-power preheat and high-power curing on the premise of efficiency. ② With the increase of CF/GF hybrid ratio, the interlaminar shear strength and tensile properties increased, while the impact toughness was reduced. ③ When the Al₂O₃ content increased from 0 to 30%, the interlaminar shear strength, tensile strength and module increased by 8.7%, 27.9% and 12.5%, respectively. However, further increase in Al₂O₃ content resulted in the reduction of properties. ④ The maximum torque, bending strength and module of composite transmission shaft manufactured by microwave curing showed the same level with those by thermal curing.

Key words: composite material transmission shaft, microwave curing, particle reinforcement, hybrid fiber, mechanical properties

中图分类号:

TB332

郑伟峰, 周来水, 袁铁军, 安鲁陵. 氧化铝增强混杂纤维复合材料传动轴微波固化性能研究[J]. 玻璃钢/复合材料, 2019, 0(1): 15-22.

ZHENG Wei-feng, ZHOU Lai-shui, YUAN Tie-jun, AN Lu-ling. MECHANICAL PROPERTIES OF HYBRID FIBER COMPOSITE SHAFT REINFORCED BY Al₂O₃ PARTICLES MANUFACTURED BY MICROWAVE CURING[J]. Fiber Reinforced Plastics/Composites, 2019, 0(1): 15-22.

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