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材料工程  2017, Vol. 45 Issue (12): 65-70    DOI: 10.11868/j.issn.1001-4381.2015.000861
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
三维五向编织复合材料低速冲击及冲击后压缩性能实验研究
严实, 郭留雨, 赵金阳, 陆夏美, 曾涛
哈尔滨理工大学 建筑工程学院, 哈尔滨 150080
Experimental Investigation on Low-velocity Impact and Compression After Impact Properties of Three-dimensional Five-directional Braided Composites
YAN Shi, GUO Liu-yu, ZHAO Jin-yang, LU Xia-mei, ZENG Tao
School of Architecture and Civil Engineering, Harbin University of Science and Technology, Harbin 150080, China
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摘要 通过实验研究三维五向碳纤维/环氧树脂编织复合材料低速冲击及其冲击后压缩(CAI)性能。测试试件虽然有不同的编织角度,但承受相同的冲击能力。采用冲击后压缩测试表征不同编织结构的冲击后剩余力学性能。结果表明:编织角较大的试件由于其更紧密的空间结构,能承受更高的冲击载荷且冲击损伤区域更小。CAI强度和损伤机理主要取决于编织纤维束的轴向支撑。随着编织角的增加,CAI强度降低,材料的破坏模式也由横向断裂转变为剪切破坏。
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严实
郭留雨
赵金阳
陆夏美
曾涛
关键词 三维五向编织复合材料低速冲击冲击后压缩损伤机理    
Abstract:The low-velocity impact and compression after impact (CAI) properties of three-dimensional (3D) five-directional carbon fiber/epoxy resin braided composites were experimentally investigated. Specimens prepared with different braiding angles were tested at the same impact energy level. Residual post-impact mechanical properties of the different configurations were characterized by compression after impact tests. Results show that the specimens with bigger braiding angle sustain higher peak loads, and smaller impact damage area, mainly attributes to a more compact space construction. The CAI strength and damage mechanism are found to be mainly dependent on the axial support of the braiding fiber tows. With the increase of braiding angle, the CAI strength decreases, and the damage mode of the composites is changed from transverse fracture to shear failure.
Key words3D five-directional    braided composite    low-velocity impact    CAI    damage mechanism
收稿日期: 2015-07-13      出版日期: 2017-12-19
中图分类号:  TB332  
通讯作者: 严实(1977-),男,博士,副教授,从事复合材料性能表征研究,联系地址:黑龙江省哈尔滨市学府路52号哈尔滨理工大学建筑工程学院421室(150080),E-mail:yanshi@hrbust.edu.cn     E-mail: yanshi@hrbust.edu.cn
引用本文:   
严实, 郭留雨, 赵金阳, 陆夏美, 曾涛. 三维五向编织复合材料低速冲击及冲击后压缩性能实验研究[J]. 材料工程, 2017, 45(12): 65-70.
YAN Shi, GUO Liu-yu, ZHAO Jin-yang, LU Xia-mei, ZENG Tao. Experimental Investigation on Low-velocity Impact and Compression After Impact Properties of Three-dimensional Five-directional Braided Composites. Journal of Materials Engineering, 2017, 45(12): 65-70.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2015.000861      或      http://jme.biam.ac.cn/CN/Y2017/V45/I12/65
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