利用透射电镜观察了经时效处理后复合材料的微观组织结构,用恒电位仪测试了室温下3.5%NaCl溶液中时效状态对SiCw/2024Al复合材料电化学腐蚀行为的影响规律,并利用扫描电镜观察了不同时效状态下极化后复合材料表面的微观组织形貌.结果表明:不同的时效状态对复合材料的点蚀电位没有影响,但使其点蚀电流发生较大的变化;3种时效状态下复合材料表面点腐蚀程度的差异,是由于复合材料微观组织结构的差别导致点腐蚀速率不同造成的.
参考文献
| [1] | Feest E A .Metal matrix composite for industrial application[J].Materials & Design,1986,7:57-59. |
| [2] | 郝元恺 .非连续增强轻金属复合材料研究现状及展望[J].材料导报,1994,5:67-71. |
| [3] | 吴人洁 .金属基复合材料的现状与展望[J].金属学报,1997,33(01):78-84. |
| [4] | MCINTYRE J F;CONRAD R K;GOLLEDGE S L .The effect of heat treatment on the pitting behavior of SiCw/2124[J].Corrosion,1990,46(11):902-905. |
| [5] | Trzaskoma P P;MCCAFFERTY E M .Corrosion behavior of SiC/Al metal matrix composites[J].Journal of the Electrochemical Society,1983,130:1804-1809. |
| [6] | Trzaskoma P P .Pit morphology of aluminum alloy and silicon carbide/aluminum metal matrix composites[J].Corrosion,1990,46(05):402-409. |
| [7] | TRUMPER R L .Metal matrix composites applications and propects[J].Metals and Materials,1987,3(03):662-667. |
| [8] | MCINTYRE J F .The effect of heat treatment on the pitting behavior of SiCw/Al2024[J].Corrosion,1990,46(11):902-905. |
| [9] | Aylor D M;MORAN P J .Effect of reinforcement on the pitting behaviors of aluminum base metal matrix composites[J].Journal of the Electrochemical Society,1985,132(06):1277-1281. |
| [10] | Trowsdale A J;NOBLE B;HARRAS S J et al.The influence of silicon carbide reinforcement on the pitting behavior of aluminum[J].Corrosion Science,1996,38(02):177-191. |
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