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�������պ����ѧѧ�� 2007, Vol. 33 Issue (11) :1358-1361    DOI:
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Application of electrochemical methods to corrosion resistance evaluation for carbon fiber/epoxy composites
Lü Xiaojun, Xiaojun Zhang, Qi Diao, Peng Xiang*
School of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� The influence of different kinds of solution immersion on the properties of carbon fiber reinforced plastics was studied by means of cyclic voltammetry curves (CV) and electrochemical impedance spectroscopy (EIS). The relationship between electrochemical parameters and corrosion degradation of composites was discussed. Results show that the reaction resistance decreases and double layer capacitance increases with the increase of immersion time. The electrochemical parameters changes obtained from the acidic and alkaline probe solutions are more obviously than those obtained from the neutral probe solutions. Results indicate that the change of electrochemical parameters can reflect the corrosion degradation of composites, and electrochemical parameters can be used to evaluate the corrosion resistance of carbon fiber reinforced epoxy composites.
Keywords�� carbon fiber reinforced plastics   corrosion   electrochemical measurement   solution immersion   probe solutions     
Received 2006-11-16;
Fund:

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About author: ��С��(1977-),��,ɽ��������,��ʿ��,qz@buaa.edu.cn.
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��С��,����,����,����.�绯ѧ�����ڸ��ϲ��ϸ�ʴ�о��е�Ӧ��[J]  �������պ����ѧѧ��, 2007,V33(11): 1358-1361
L�� Xiaojun, Xiaojun Zhang, Qi Diao, Peng Xiang.Application of electrochemical methods to corrosion resistance evaluation for carbon fiber/epoxy composites[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(11): 1358-1361
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2007/V33/I11/1358
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