用电化学方法和扫描电子显微镜研究氧化时间、硫酸浓度、氧化电流密度等氧化工艺参数对ZL201铝合金阳极氧化膜受热开裂行为的影响,并分析讨论氧化膜中内应力的产生机理.结果表明:氧化膜封闭后存在少量缺陷,加热时会沿缺陷形成开裂并产生新裂纹.随氧化时间延长,氧化膜受热后裂纹数量增多;随硫酸浓度增大,氧化膜受热后裂纹密度增大;而随着氧化电流密度的增大,氧化膜受热后裂纹密度减小.
参考文献
| [1] | GRAHAM M J;HUSSEY R J .Characterization and growth of oxide films[J].Corrosion Science,2002,44(02):319-330. |
| [2] | ZUO Yu;ZHAO Peng-hui;ZHAO Jing-mao .The influences of sealing methods on corrosion behaviour of anodized aluminum alloys in NaCl solutions[J].Surface & Coatings Technology,2003,166(02):237-242. |
| [3] | Aerts T;Dimogerontakis T;De Graeve I;Fransaer J;Terryn H .Influence of the anodizing temperature on the porosity and the mechanical properties of the porous anodic oxide film[J].Surface & Coatings Technology,2007(16/17):7310-7317. |
| [4] | GARCIA-VERGARA S J;SKELDON P;THOMPSON G E;HABAZAKI H .A flow model of porous anodic film growth on aluminium[J].Electrochimica Acta,2007,52(02):681-687. |
| [5] | Sachiko Ono;Chieko Wada;Hidetaka Asoh .Structure and property of anodic barrier films formed on aluminum in low voltage range[J].Electrochimica Acta,2005(25/26):5103-5110. |
| [6] | 郭超 .铸造铝合金的阳极氧化工艺与耐蚀性研究[D].北京:北京化工大学,2004. |
| [7] | 马月辉.铝型材阳极氧化膜破裂原因及预防措施[J].轻合金加工技术,2002(06):47-48. |
| [8] | Junbiao Zhou;Jiansheng Wu;Yuxing Yang .Research on the thermal expansion behavior of anodic films on aluminium[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,1999(12):280-283. |
| [9] | 邓增杰;周敬恩.工程材料的断裂与疲劳[M].北京:机械工业出版社,1995 |
| [10] | Patil PS;Mujawar SH;Sadale SB;Deshmukh HP;Inamdar AI .Effect of film thickness on electrochromic activity of spray deposited iridium oxide thin films[J].Materials Chemistry and Physics,2006(2/3):309-313. |
| [11] | 许旋,林国辉,陈子超,罗一帆.影响铝合金阳极氧化膜质量因素的研究[J].电镀与涂饰,2005(02):7-10. |
| [12] | RANDALL J J;BERNARD W J .A radiotracer study of the anodization of aluminum in aqueous phosphate solutions[J].Electrochimica Acta,1975,20(09):653-661. |
| [13] | SHACKELFORD J F.Introduction to materials science for engineers[M].New York:macmillan Publishing Company,1985 |
| [14] | 李美栓,辛丽,钱余海,李铁藩.氧化膜应力研究进展[J].腐蚀科学与防护技术,1999(05):300-305. |
| [15] | NELSON J C;ORIANI R A .Stress generation during anodic oxidation of titanium and aluminum[J].Corrosion Science,1993,34(02):307-326. |
| [16] | Moon SM.;Pyun SI. .The mechanism of stress generation during the growth of anodic oxide films on pure aluminium in acidic solutions[J].Electrochimica Acta,1998(21/22):3117-3126. |
| [17] | HUNTZ A M .Stress in NiO,Cr2O3 and Al2O3 oxide scales[J].Materials Science and Engineering A,1995,201(1-2):211-228. |
| [18] | KIM J D;PYUN S I;ORIANI R A .Effects of applied current density and potential step on the stress generation during anodic oxidation of tungsten in 0.1M H2SO4 solution[J].Electrochimica Acta,1995,40(09):1171-1176. |
| [19] | I. Vrublevsky;V. Parkoun;J. Schreckenbach;G. Marx .Effect of the current density on the volume expansion of the deposited thin films of aluminum during porous oxide formation[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2003(1/4):51-59. |
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