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�������պ����ѧѧ�� 2003, Vol. 29 Issue (12) :1064-1067    DOI:
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Experimental investigations of improving AO-resistant characteristics of glass fiber/epoxy resin composite filled with superfine cenospheres
Wang Mingzhu, Zhao Xiaohu, Shen Zhigang, Ma Shulin*
School of Aeronautics Science and Technology, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� A new technology was adopted to improve AO-resistant characteristics of spacecraft composites. The superfine cenospheres, which were stable in AO environment, were filled in the epoxy matrix in order to produce the AO-resistant glass fiber/epoxy resin composite. Cenospheres/glass fiber/epoxy resin composites were prepared and the AO exposure test was conducted in ground-based AO effects simulation facility. It was found that the filling of cenospheres effectually protected the glass fiber/epoxy resin against AO erosion. After the AO exposure test of 60 h, the erosion yield of the composite with cenosphere fillers can decrease to 11% of the composite without cenosphere fillers.
Keywords�� spacecraft   epoxy resins   glass fibers   cenosphere   AO-resistant     
Received 2003-06-30;
Fund:

863��������������Ŀ(2002AA732157);���ջ�����ѧ����������Ŀ(02G51038)

About author: ������(1978-),Ů,������������,��ʿ��, wmz@buaa.edu.cn.
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������, ��С��, ��־��, ������.΢����߲���/������֬��ԭ������ʴ���о�[J]  �������պ����ѧѧ��, 2003,V29(12): 1064-1067
Wang Mingzhu, Zhao Xiaohu, Shen Zhigang, Ma Shulin.Experimental investigations of improving AO-resistant characteristics of glass fiber/epoxy resin composite filled with superfine cenospheres[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2003,V29(12): 1064-1067
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