| 温度冲击对不同阳极氧化温度SiC_P/2A12复合材料阳极氧化膜开裂行为的影响 |
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| 引用本文： | 王一博,于美,刘建华,李松梅,杨茗佳,王永平,王蕾.温度冲击对不同阳极氧化温度SiC_P/2A12复合材料阳极氧化膜开裂行为的影响[J].复合材料学报,2016,33(8):1733-1741. |
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| 作者姓名： | 王一博 于美 刘建华 李松梅 杨茗佳 王永平 王蕾 |
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| 作者单位： | 1. 北京航空航天大学 材料科学与工程学院, 空天先进材料与服役教育部重点实验室, 北京 100083;
2. 北京星航机电装备有限公司, 北京 100074 |
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| 基金项目： | 国家自然科学基金(51271012) |
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| 摘 要： | 通过己二酸-硫酸工艺制备了SiCP/A1合金(2A12)复合材料阳极氧化膜,研究了不同阳极氧化温度下(15~35℃)制备的SiCP/2A12复合材料阳极氧化膜温度冲击后的开裂行为及耐蚀性能。采用FE-SEM对温度冲击前后SiCP/2A12复合材料阳极氧化膜的微观形貌进行了分析,采用电化学阻抗谱(EIS)研究了冲击前后SiCP/2A12复合材料阳极氧化膜的耐腐蚀性能。结果表明:温度冲击对不同阳极氧化温度制备的SiCP/2A12复合材料阳极氧化膜影响程度不同,随着阳极氧化温度的升高,温度冲击后SiCP/2A12复合材料阳极氧化膜的裂纹密度逐渐增加。阳极氧化温度为25℃时,温度冲击后SiCP/2A12复合材料阳极氧化膜耐蚀性最好。SiCP/2A12复合材料阳极氧化膜的耐温度冲击性能优于2A12铝合金氧化膜。
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| 关 键 词： | 铝基复合材料 SiC 阳极氧化 温度冲击 耐蚀性 |
| 收稿时间： | 2015-07-23 |
Effect of temperature shock on cracking behaviors of anodic film on SiCP/2A12 composites at different anodized temperatures |
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| WANG Yibo,YU Mei,LIU Jianhua,LI Songmei,YANG Mingjia,WANG Yongping,WANG Lei.Effect of temperature shock on cracking behaviors of anodic film on SiCP/2A12 composites at different anodized temperatures[J].Acta Materiae Compositae Sinica,2016,33(8):1733-1741. |
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| Authors: | WANG Yibo YU Mei LIU Jianhua LI Songmei YANG Mingjia WANG Yongping WANG Lei |
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| Affiliation: | 1. Key Laboratory of Aerospace Materials and Performance, Ministry of Education, School of Materials Science and Engineering, Beihang University, Beijing 100083, China;
2. Beijing Xinghang Electromechanical and Equipment Plant, Beijing 100074, China |
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| Abstract: | Anodic film on SiCP/Al alloy (2A12)composites was obtained by adipic-sulfuric acid process.The cracking behaviors and corrosion resistance of anodic film on SiCP/2A12 composites which was obtained at different anodized temperature (1 5-3 5 ℃)were analyzed after temperature shock.The micro morphology of anodic film on SiCP/2A12 composites was observed by using FE-SEM before and after temperature shock.Electrochemical imped-ance spectroscope (EIS)was used to study the corrosion resistance of anodic film on SiCP/2A12 composites before and after shock.The results show that the effect of temperature shock on anodic film on SiCP/2A12 composites ob-tained at different anodized temperatures was different.After treating by temperature shock,the crack density of anodic film on SiCP/2A12 composites gradually increases with the anodizing temperature increasing.The corrosion resistance of anodic film on SiCP/2A12 composites after temperature shock obtained at anodized temperature of 25 ℃is best.The temperature shock resistance performance of anodic film on SiCP/2A12 composites is superior to that of 2A12 aluminium alloy oxidation film. |
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| Keywords: | Al matrix composites SiC anodic oxidation temperature shock corrosion resistance |
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