【作者】 郑锡涛； 郭稳学； 盛国柱； 肖娟； 李野；

【Author】 Zheng Xitao Guo Wenxue Sheng Cuozhu Xiao Juan Li Ye (Aircraft Strength Research Institute, P.O. Box No.86, Xian, 710065)

【机构】 中国飞机强度研究所；

【摘要】 本课题是通过单向拉伸试验和三点弯曲试验,从宏观角度研究了三维编织复合材料的力学行为。研究选用了两种增强纤维、两种编织角、两种纤维体积含量等不同工艺参数所组成的16组试样进行力学性能试验,探寻三维编织工艺参数与力学性能之间的关系,确定适合于编织复合材料的力学性能试验方法。更多还原

【Abstract】 This paper is aimed at elucidating the processing-property relations of composites through experimental characterization. The yarn architecture of three-dimensional (3-D) braided composites products by the four-step 1×1 braiding technique and their effective elastic properties have been studied by experimental investigation. A series of fabrics with varying braiding fibers, pitch lengths has been made to investigate their respective influence on processing and mechanical behavior. The composites moduli have been analyzed by using the fabric geometry model and compared with experimental results. The material characterization has been earned out on the basis of tension and flexure tests.更多还原