三向编织复合材料拉伸强度研究

复合材料科学与工程 ›› 2014, Vol. 0 ›› Issue (8): 92-96.

三向编织复合材料拉伸强度研究

张平^1*, 桂良进², 范子杰²

1.长安大学汽车学院,陕西西安 710064;
2.清华大学汽车安全与节能国家重点实验室,北京 100084

收稿日期:2014-03-25 出版日期:2014-08-28 发布日期:2021-09-13
作者简介:张平(1977-),男,博士,讲师,主要研究方向为复合材料结构及车辆结构分析,zhangping10@chd.edu.cn。
基金资助:
国家自然科学基金(50405003)

STUDY ON THE TENSILE STRENGTH OF TRIAXIALLY BRAIDED COMPOSITES

ZHANG Ping^1*, GUI Liang-jin², FAN Zi-jie²

1. School of Automobile, Chang'an University, Xi'an 710064, China;
2. State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China

Received:2014-03-25 Online:2014-08-28 Published:2021-09-13

摘要/Abstract

摘要： 在细、宏观结合的基础上研究了三向编织复合材料的拉伸强度。首先,对实际编织结构进行恰当的几何简化;其次,建立材料的细观力学理论分析模型;最终,借助于商用有限元分析软件成功实现了编织复合材料的拉伸强度仿真分析。计算结果得到了试验的验证。在此基础上,研究了编织几何参数(编织角和轴向纤维束与编织向纤维束大小之比)对于编织复合材料拉伸强度性能的影响。分析方法对研究编织复合材料结构力学具有重要的参考价值。

关键词: 复合材料, 拉伸强度, 三向编织, 单胞

Abstract: The tensile strength of triaxially braided composites was studied through integrated meso/macro-mechanical analysis. First, the braiding architecture was simplified appropriately. Secondly, the meso-mechanical model was proposed. Finally, the tensile strength of triaxially braided composites was predicted by using the commercial FEM software. The analysis method was verified with the test results. Based on the analysis method, the effects of braiding parameters (such as braiding angle, the ratio between axial yarn size and braiding yarn size) on the tensile strength were studied. This work provides valuable help in studying the structural mechanics of the braided composites.

Key words: composites, tensile strength, triaxially braided, representative unit cell

中图分类号:

TB332

张平, 桂良进, 范子杰. 三向编织复合材料拉伸强度研究[J]. 复合材料科学与工程, 2014, 0(8): 92-96.

ZHANG Ping, GUI Liang-jin, FAN Zi-jie. STUDY ON THE TENSILE STRENGTH OF TRIAXIALLY BRAIDED COMPOSITES[J]. COMPOSITES SCIENCE AND ENGINEERING, 2014, 0(8): 92-96.

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