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�������պ����ѧѧ�� 2001, Vol. 27 Issue (3) :336-339    DOI:
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Delamination Growth of Composite Sandwich under Hygrothermal and Mechanical Loads
ZHANG Zhi-min, LI Xiang-yang*
Beijing University of Aeronautics and Astronautics, Dept. of Flight Vehicle Design and Applied Mechanics

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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.
Keywords�� environmental effect   mechanics of complex materials   laminates   growth   energy release rate     
Received 2000-02-22;
About author: ��־��(1934-),��,�����,����,100083,����.
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��־��, ������.ʪ���غ��º����˼в��ֲ���չ�ж�����[J]  �������պ����ѧѧ��, 2001,V27(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 A, 2001,V27(3): 336-339
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2001/V27/I3/336
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