Materials Reports  2020, Vol. 34 Issue (Z2): 603-606 |
| POLYMERS AND POLYMER MATRIX COMPOSITES |
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| Experimental Study on the Mechanical Properties of 2.5D Woven Composites |
| LI Shanshan1,2, ZHANG Lei1,2, WANG Jinghong1,2, LUO Xin1,2
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1 China Textile Academy Co., Ltd, Beijing 100025, China
2 State Key Laboratory of Biobased Fiber Manufacturing Technology, Beijing 100025, China |
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Abstract In this paper, based on the structural advantages of 2-2 layer by layer orthogonal angle interlock fabric with lining warp structure, the corresponding composite materials were prepared, the tensile and shear properties were tested, and the mechanical properties of 2.5D woven composite materials in warp and weft direction were analyzed. It was found that the maximum tensile strength of the specimen in the longitudinal direction is larger than that in the longitudinal direction, and the longitudinal and latitudinal tensile fractures are more regular in the tensile test of the warp reinforced 2/2-angle interlock fabric reinforced composite; in the interlaminar shear strength test of the short beam of the warp reinforced 2/2-angle interlock fabric composite, when the longitudinal direction reaches the maximum failure load, the damage degree of the specimen is larger than that in the longitudinal direction, and some fibers are from the layer. The maximum interlaminar shear strength in the latitudinal direction is greater than that in the meridional direction.
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Published: 08 January 2021
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| About author:: Shanshan Li, senior engineer of China Textile Research Institute Co., Ltd. From September 2007 to March 2010, she obtained a master's degree in textile engineering from Tianjin University of technology. Since graduation, she has been engaged in scientific research and development in China Textile Research Institute Co., Ltd. 12 national invention patents have been applied for, of which 5 are authorized. The research work mainly focuses on the textile composite equipment, weaving technology and composite molding, etc. |
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