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	三维编织T300/环氧复合材料的弯曲性能及破坏机理
	李典森 ; 卢子兴 ; 李嘉禄 ; 陈利 ; LI Dian-sen ; LU Zi-xing ; Li Jia-lu ; CHEN Li
	2010-06-07 ; 2010-06-07
关键词	三维编织 复合材料 弯曲性能 破坏机理 3D braiding composites bending properties failure mechanism TB332
其他题名	Bending Properties and Failure Mechanism of Three Dimensional T300/Epoxy Braided Composites
中文摘要	针对不同编织角、不同纤维体积含量、不同编织结构的三维编织T300/环氧复合材料进行了三点弯曲试验,获得了这些编织复合材料的主要弯曲力学性能,分析了不同编织工艺参数对材料弯曲力学性能的影响。对试件断口进行了宏观及扫描电镜观察,从宏、细观角度研究了材料的变形及其破坏机理。结果表明,三维编织T300/环氧复合材料具有良好的弯曲力学性能,弯曲载荷-挠度曲线呈现明显的线性特征;编织角、纤维体积含量及编织结构对复合材料的弯曲性能有较大影响;三维编织复合材料的弯曲破坏机理与编织工艺参数有关。; The three-point bending tests were preformed on the three dimensional T300/Epoxy braided composites with different braiding angle,fiber volume fraction and braiding structure.The principal bending properties of the composites were obtained and the influences of the braiding process parameters on the bending properties were also analyzed.Macro-Fracture morphology and the scanning electron microscope(SEM) were observed in order to understand the deformation and the failure mechanism of the composites.The results show that the bending loading-flexibility curves of the three dimensional T300/Epoxy braided composites exhibit the linear characteristics.The braiding angle,the fiber volume fraction and the braiding structure were the important parameters affecting on the bending properties of the composites.Moreover,the failure mechanisms of the composites have some correlations with the braiding process parameters.These results can provide an experimental basis for the structural design of the 3D braided composites.; 航空科学基金(04B51045); 北京市教育委员会共建项目建设计划(XK100060522); 中国博士后科学基金资助项目(20090450408)
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/37551]
专题	清华大学
推荐引用方式 GB/T 7714	李典森,卢子兴,李嘉禄,等. 三维编织T300/环氧复合材料的弯曲性能及破坏机理[J],2010, 2010.
APA	李典森.,卢子兴.,李嘉禄.,陈利.,LI Dian-sen.,...&CHEN Li.(2010).三维编织T300/环氧复合材料的弯曲性能及破坏机理..
MLA	李典森,et al."三维编织T300/环氧复合材料的弯曲性能及破坏机理".(2010).

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