对SiCP/2024铝基复合材料进行微弧氧化表面处理,分析了陶瓷膜截面的显微组织、成分分布,测量了其相组成和硬度分布,并比较了氧化前后极化曲线的变化.结果表明,在硅酸盐溶液中获得的陶瓷膜由莫来石、α-Al2O3、γ-Al2O3晶态相和SiO2非晶相组成,残留的SiC增强体很少,膜与复合材料呈现良好的冶金结合.膜具有两层结构,外层Si含量较高并主要来自电解液,而内层膜里莫来石的形成同SiC增强体氧化密切相关.微弧氧化处理后,SiCP/2024铝基复合材料的抗腐蚀能力得到很大提高,这归因于形成了一层完整连续的氧化膜.
参考文献
| [1] | 胡津,罗仁胜,姚忠凯,赵连成.铝基复合材料的腐蚀行为[J].腐蚀科学与防护技术,2000,12(4):234-236.Hu Jin,Luo Rensheng,Yao Zhongkai,Zhao Liancheng.Corrosion behavior of aluminum based composite[J].Corr Sci Prot Technol,2000,12(4):234-236. |
| [2] | Ahmad Z,Aleen Abdul B J.Effect of temper on seawater corrosion of an aluminum-silicon carbide composite alloy[J].Corrosion,1996,52(11):857-864. |
| [3] | Mansfeld F,Perez F J.Surface modification of Al/15%SiC metal matrix composite in molten salts containing CeCl3[J].Surf Coat Technol,1996,86/87:449-453. |
| [4] | Greene H J,Mansfeld F.Corrosion protection of aluminum metal-matrix composites[J].Corrosion,1997,53:920-927. |
| [5] | 于兴文,周育红,周德瑞,尹钟大,崔岩.铝金属基复合材料Al6061/SiCP表面稀土转化膜的研究[J].复合材料学报,2000,17(2):30-33.Yu Xingwen,Zhou Yuhong,Zhou Derui,Yin Zhongda,Cui Yan.Study on the rare earth metal conversion coating on aluminum-based metal matrix composites (MMC) Al6061/SiCP[J].Acta Materiae Compositae Sinica,2000,17(2):30-33. |
| [6] | Shahid M.Mechanism of film growth during anodizing of Al-alloy-8090/SiC metal matrix composite in sulphuric acid electrolyte[J].J Mater Sci,1997,32:3775-3781. |
| [7] | Belevantsev V I,Terleeva O P,Markov G A,Shulepko E K,Slonova A I,Utkin V V.Micro-plasma electrochemical processes[J].Prot Met,1998,34:416-430. |
| [8] | Yerokhin A L,Nie X,Leyland A,Matthews A,Dowey S J.Plasma electrolysis for surface engineering[J].Surf Coat Technol,1999,122:73-93. |
| [9] | Xue W,Deng Z,Lai Y,Chen R.Analysis of phase distribution for ceramic coatings formed by microarc oxidation on aluminum alloy[J].J Am Ceram Soc,1998,81(5):1365-1368. |
| [10] | Yao Z,Jiang Z,Sun X,Xin S,Li Y.Influences of current density on structure and corrosion resistance of ceramic coatings on Ti-6Al-4V alloy by micro-plasma oxidation[J].Thin Solid Films,2004,468:120-124. |
| [11] | Xue W,Wang C,Chen R,Deng Z.Structure and properties characterization of ceramic coatings produced on Ti-6Al-4V alloy by microarc oxidation in aluminate solution[J].Mater Lett,2002,52:435-442. |
| [12] | 蒋百灵,吴建国,张淑芬,雷廷权.镁合金微弧氧化陶瓷层生长过程及微观结构的研究[J].材料热处理学报,2002,23(1):5-7.Jiang Bailing,Wu Jianguo,Zhang Shufen,Lei Tingquan.Research on micromechanism and growth procedure of ceramic coating formed by microarc oxidation on magnesium alloys[J].Tran Mater Heat Treat,2002,23(1):5-7. |
| [13] | 张欣宇,石玉龙.等离子体微弧氧化技术及应用[J].青岛化工学院学报,2002,23(1):69-73.Zhang Xinyu,Shi Yulong.Technique of plasma microarc oxidation and its application[J].J Qingdao Inst Chem Technol,2002,23(1):69-73. |
| [14] | Nie X,Meletis E I,Jiang J C,Leyland A,Yerokhin A L,Matthews A.Abrasive wear/corrosion properties and TEM analysis of Al2O3 coatings fabricated using plasma electrolysis[J].Surf Coat Technol,2002,149:245-251. |
| [15] | 王永康,熊仁章,盛磊,李炳生.铝基复合材料表面微弧氧化涂覆陶瓷膜研究[J].兵器材料科学与工程,1998,21(4):25-27.Wang Yongkang,Xiong Renzhang,Sheng Lei,Li Bingsheng.Ceramic coating formed by microarc oxidation on aluminum matrix composites[J].Ordnance Mater Sci Eng,1998,21(4):25-27. |
| [16] | 金玲,扬忠,李高宏,马玉韩,李建平.SiCP/ZL109铝基复合材料微弧氧化层的微观组织特征[J].兵器材料科学与工程,2003,26(3):31-35.Jin Ling,Yang Zhong,Li Gaohong,Ma Yuhan,Li Jianping.Microstructure characterization of microarc oxidation treated SiCP/ZL109 aluminum matrix composites[J].Ordnance Mater Sci Eng,2003,26(3):31-35. |
| [17] | Xue W,Wang C,Li Y,Chen R,Zhang T.Analyses of microarc oxidation coatings formed on Si-containing cast aluminum alloy in silicate solution[J].ISIJ International,2002,42:1273-1277. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%