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Volume 27 Issue 3
Mar.  2001
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Journal of Beijing University of Aeronautics and Astronautics  > 2001  >  27(3): 336-339.
ZHANG Zhi-min, LI Xiang-yang. Delamination Growth of Composite Sandwich under Hygrothermal and Mechanical Loads[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(3): 336-339. (in Chinese)
Citation: ZHANG Zhi-min, LI Xiang-yang. Delamination Growth of Composite Sandwich under Hygrothermal and Mechanical Loads[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(3): 336-339. (in Chinese)
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Delamination Growth of Composite Sandwich under Hygrothermal and Mechanical Loads

  • Beijing University of Aeronautics and Astronautics, Dept. of Flight Vehicle Design and Applied Mechanics

  • Received Date: 22 Feb 2000
  • Publish Date: 31 Mar 2001
    Abstract
  • The local buckling may occur in composite sandwich with delamination induced by impact damage. This often causes delamination growth and structure failure. The delamiantion growth is studied by using the variational method of moving boundary, and the formulas of energy release rate G along the delamination front are obtained. By employing Rayleigh-Ritz method, the hygrothermal effect on buckling character of composite sandwich plates containing delamination between two faceplate laminae is studied.

     

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  • [1] 李向阳, 张志民. 湿热环境对含分层复合材料夹层板屈曲性能的影响[J]. 复合材料学报, 2000, 17(4):110~113. [2] 李向阳. 湿热环境对含分层损伤复合材料夹层板剩余强度的影响 . 北京:北京航空航天大学飞行器设计与应用力学系, 2000. [3] 张志民. 复合材料结构力学[M]. 北京:北京航空航天大学出版社, 1993. [4] 徐永锋. 含分层损伤复合材料夹层板的压缩剩余强度研究 . 北京:北京航空航天大学飞行器设计与应用力学系, 1996. [5] 钱伟长. 变分法及有限元(上册)[M]. 北京:科学出版社, 1980. 158~167. [6] 邹振民, 樊蔚勋. 层板脱层的G分析[J]. 固体力学学报, 1993,14(2):147~157.
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