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�������պ����ѧѧ�� 2010, Vol. 36 Issue (12) :1427-1431    DOI:
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Effect of cyclic hygrothermal environment on interfacial property of CCF300/BMI composites
Feng Tongbo, Zhao Yan, Luo Yunfeng, Zhang Zuoguang*
School of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� An experimental investigation was conducted in order to study the effect of cyclic hygrothermal environment on the interfacial property of CCF300/5428 composites. The moisture weight and interlaminar shear strength(ILSS) of CCF300/5428 specimens of each stage during three absorption-desorption cyclical processes were tested. The morphology of interface between carbon fiber and resin was characterised by applying scanning electron microscope(SEM) method. The results show that the composites exhibit higher diffusivity after suffering reabsorption steps. The reversible effects of water on ILSS of the composites can be eliminated after desorption. The ILSS of the composites degrade obviously due to high temperature, while the humidity has weak effect on the mechanical performance of the composites at room temperature.
Keywords�� carbon fiber   composites   cyclic hygrothermal   interlaminar shear strength(ILSS)     
Received 2010-10-18;
About author: ��ͮ��(1966- ),��,�ӱ��ɰ���,�߹�,tongbo_feng@yahoo.com.cn.
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��ͮ��, ����, ���Ʒ�, ������.ѭ��ʪ�Ȼ�����̼��ά���ϲ��ϵĽ�������[J]  �������պ����ѧѧ��, 2010,V36(12): 1427-1431
Feng Tongbo, Zhao Yan, Luo Yunfeng, Zhang Zuoguang.Effect of cyclic hygrothermal environment on interfacial property of CCF300/BMI composites[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2010,V36(12): 1427-1431
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