铺层角度和触发机制对碳纤维复合材料六边形薄壁管准静态轴向压缩性能的影响

doi:10.19936/j.cnki.2096-8000.20230128.009

复合材料科学与工程 ›› 2023, Vol. 0 ›› Issue (1): 77-84.DOI: 10.19936/j.cnki.2096-8000.20230128.009

铺层角度和触发机制对碳纤维复合材料六边形薄壁管准静态轴向压缩性能的影响

陈东方¹, 武海鹏^2*, 梁钒², 周骐², 宋显刚¹, 田爱琴¹

1.中车青岛四方机车车辆股份有限公司,青岛266111;
2.哈尔滨玻璃钢研究院有限公司,哈尔滨150029

收稿日期:2022-01-06 出版日期:2023-01-28 发布日期:2023-02-24
通讯作者: 武海鹏(1977—),男,教授级高工,硕士研究生,主要从事复合材料结构设计和仿真方面的工作,wu_effort@163.com。
作者简介:陈东方(1986—),男,高级工程师,硕士研究生,主要从事复合材料部件研发方面的工作。
基金资助:
战略性国际科技创新合作重点专项(2018YEE0201300);山东省重点研发计划(2019TSLH0301)

Influence of laminate angle and trigger mechanism to quasi-static axial compression performance of carbon fiber composite hexagon thin-walled tube

CHEN Dongfang¹, WU Haipeng^2*, LIANG Fan², ZHOU Qi², SONG Xiangang¹, TIAN Aiqin¹

1. CRRC Qingdao Sifang Co., Ltd., Qingdao 266111, China;
2. Harbin FRP Institute Co., Ltd., Harbin 150029, China

Received:2022-01-06 Online:2023-01-28 Published:2023-02-24

摘要/Abstract

摘要： 复合材料六边形碳纤维薄壁管采用预浸料铺放和纤维缠绕组合工艺成型,并在管端部设置开槽、开孔不同形式的触发机制。对复合材料薄壁管进行准静态轴向压缩载荷实验,分析其变形模式和吸能机理,及铺层角度和触发机制对薄壁管比吸能和总吸能的影响。实验证明,相同触发机制下[±45°]铺层角度的六边形薄壁管试件的比吸能和总吸能比[0°/90°]、[±45°₂/0°/0°/90°/0°]、[64°₂/0°₂/64°₂/0°₂/64°₂]铺层角度试件高123.7%、111.5%、111.5%,相同铺层角度下触发机制为开槽时的初始峰值载荷要高于开孔形式。

关键词: 铺层角度, 触发机制, 六边形复合材料薄壁管, 轴向压缩, 吸能, 峰值载荷

Abstract: Carbon fiber composite thin-walled hexagonal pipe is molded by the combined process of prepreg lay-up and filament winding, and different trigger mechanisms of cavity and hole opening are set at the end of the pipe. The quasi-static axial compression load testing on composite thin-walled tube is carried out, and its deformation mode and energy absorption mechanism, as well as the effects of ply angle and trigger mechanism on the specific energy absorption and total energy absorption of thin-walled tube are analyzed. The testing results show that the specific energy absorption and total energy absorption of hexagonal thin-walled tube specimens with ply angle [±45°] under the same trigger mechanism are 123.7%, 111.5% and 111.5% higher than those with [0°/90°], [±45°₂/0°/0°/90°/0°], [64°₂/0°₂/64°₂/0°₂/64°₂], and the initial peak load with the cavity trigger mechanismunder the same ply angle is higher than that of opening hole.

Key words: laying angle, trigger mechanism, hexagonal composite thin-walled tube, axial compression, energy absorption, peak load

中图分类号:

TB332

陈东方, 武海鹏, 梁钒, 周骐, 宋显刚, 田爱琴. 铺层角度和触发机制对碳纤维复合材料六边形薄壁管准静态轴向压缩性能的影响[J]. 复合材料科学与工程, 2023, 0(1): 77-84.

CHEN Dongfang, WU Haipeng, LIANG Fan, ZHOU Qi, SONG Xiangang, TIAN Aiqin. Influence of laminate angle and trigger mechanism to quasi-static axial compression performance of carbon fiber composite hexagon thin-walled tube[J]. COMPOSITES SCIENCE AND ENGINEERING, 2023, 0(1): 77-84.

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铺层角度和触发机制对碳纤维复合材料六边形薄壁管准静态轴向压缩性能的影响

Influence of laminate angle and trigger mechanism to quasi-static axial compression performance of carbon fiber composite hexagon thin-walled tube

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