| GALVANIC CORROSION BETWEEN GRAPHITE EPOXY COMPOSITE MATERIALS AND LY12CZ ALUMINUM ALLOY |
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| 引用本文： | F.Lu,W.Y.Shen,J.G. Li and W.D. Zhen(Beijing Institute of Aeronautical Materials,Beijing 100095,). GALVANIC CORROSION BETWEEN GRAPHITE EPOXY COMPOSITE MATERIALS AND LY12CZ ALUMINUM ALLOY[J]. 金属学报(英文版), 1996, 9(6): 669-673 |
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| 作者姓名： | F.Lu W.Y.Shen J.G. Li and W.D. Zhen(Beijing Institute of Aeronautical Materials Beijing 100095 ) |
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| 作者单位： | Beijing Institute of Aeronautical Materials，Beijing 100095， |
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| 摘 要： | ＧＡＬＶＡＮＩＣＣＯＲＲＯＳＩＯＮＢＥＴＷＥＥＮＧＲＡＰＨＩＴＥＥＰＯＸＹＣＯＭＰＯＳＩＴＥＭＡＴＥＲＩＡＬＳＡＮＤＬＹ１２ＣＺＡＬＵＭＩＮＵＭＡＬＬＯＹＦ．Ｌｕ；Ｗ．Ｙ．Ｓｈｅｎ；Ｊ．Ｇ．ＬｉａｎｄＷ．Ｄ．Ｚｈｅｎ（ＢｅｉｊｉｎｇＩｎｓｔｉｔｕｔｅ...
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| 收稿时间： | 1996-12-25 |
| 修稿时间： | 1996-12-25 |
GALVANIC CORROSION BETWEEN GRAPHITE EPOXY COMPOSITE MATERIALS AND LY12CZ ALUMINUM ALLOY |
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| F.Lu,W.Y.Shen,J.G. Li and W.D. Zhen. GALVANIC CORROSION BETWEEN GRAPHITE EPOXY COMPOSITE MATERIALS AND LY12CZ ALUMINUM ALLOY[J]. Acta Metallurgica Sinica(English Letters), 1996, 9(6): 669-673 |
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| Authors: | F.Lu W.Y.Shen J.G. Li W.D. Zhen |
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| Abstract: | The electrochemical approach was used to show the nature of the galvanic corrosion when graphite epoxy composite materials(GECM)were coupled to LY12CZ aluminum alloy. An open circuit potential difference of one volt was obtained in 3.5% NaCl solution between GECM and LY12CZ. Corrosion current data (zero impedance technique) indicated that there was serious corrosion at GECM/LY12CZ couple.When GECM/LY12CZ couples were exposed to ASTM salt spray and alternate immersion condition, fiber glass cloth and H06-2 epoxy primer paint were effective methods for preventing galvanic corrosion.The slow strain rate test (SSRT) showed that GECM increased the LY12CZ stress corrosion crack growth rate. |
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| Keywords: | galvanic corrosion graphite epoxy composite materials |
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