J. Mater. Sci. Technol. ›› 2011, Vol. 27 ›› Issue (1): 69-73.

• Research Articles • 上一篇    下一篇

The influence of voids on the tensile performance of carbon/epoxy fabric laminates for aeronautic structures

hongyan zhu1,Dihong Li2,Dongxing Zhang2,Baochang Wu2,Yuyong Chen2,3   

  1. 1. 哈尔滨工业大学
    2.
    3. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
  • 收稿日期:2008-08-21 修回日期:2009-11-26 出版日期:2011-01-28 发布日期:2011-01-30
  • 通讯作者: hongyan zhu
  • 基金资助:

    与哈尔滨飞机工业集团合作项目;无

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

Hongyan Zhu, Baochang Wu, Dihong Li, Dongxing Zhang, Yuyong Chen   

  1. 1) School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
    2) Harbin Aircraft Industry Co., Ltd., Harbin 150060, China
  • Received:2008-08-21 Revised:2009-11-26 Online:2011-01-28 Published:2011-01-30
  • Contact: hongyan zhu

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Abstract: This paper aims at investigating the effect of voids on the tensile properties of [(±45)4/(0,90)/(±45)2]S and [(±45)/04/(±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.

Key words: Composite, Void, Tensile strength