Influence of Voids on the Tensile Performance of Carbon/epoxy Fabric Laminates  

作　　者：Hongyan Zhu Baochang Wu Dihong Li Dongxing Zhang Yuyong Chen 

机构地区：[1]School of Materials Science and Engineering,Harbin Institute of Technology,Harbin 150001,China [2]Harbin Aircraft Industry Co.,Ltd.,Harbin 150060,China

出　　处：《Journal of Materials Science & Technology》2011年第1期69-73,共5页材料科学技术（英文版）

摘　　要：This paper aims at investigating the effect of voids on the tensile properties of [（±45）4/（0,90）/（±45）2] S and [（±45）/0 4/（±45）（0,90）] S composites.Specimens with void contents in the range of 0.4% to 9.0% were fabricated from carbon/epoxy fabric.The void content was determined by ultrasonic attenuation and optical image analysis,and microscopic inspection was also used to analyze the shape and size of the voids.The influence of voids on the tensile strength and modulus of both stacking sequence is compared in terms of the size and the shape of the voids.The effect of voids on the initiation and propagation of tensile failure of both stacking sequence composite was investigated.This paper aims at investigating the effect of voids on the tensile properties of [（±45）4/（0,90）/（±45）2] S and [（±45）/0 4/（±45）（0,90）] S composites.Specimens with void contents in the range of 0.4% to 9.0% were fabricated from carbon/epoxy fabric.The void content was determined by ultrasonic attenuation and optical image analysis,and microscopic inspection was also used to analyze the shape and size of the voids.The influence of voids on the tensile strength and modulus of both stacking sequence is compared in terms of the size and the shape of the voids.The effect of voids on the initiation and propagation of tensile failure of both stacking sequence composite was investigated.

关 键 词：COMPOSITE VOID Tensile strength 

分 类 号：TG146.21[一般工业技术—材料科学与工程] TB332[金属学及工艺—金属材料]