在2024合金微区成分分析的基础上,通过粉末冶金法制备模拟AlCuMg偏析相以及模拟基体合金,通过动电位扫描、开路电位监测、电偶电流测试,并结合扫描电子显微镜观察,研究十四烷基膦酸在2024合金以及模拟微区合金表面的自组装行为和缓蚀性能.实验结果表明膦酸在模拟基体和富铜相表面均能吸附成膜,2024合金表面吸附膜的微区分布与偏析相和基体之间的电偶效应有关.偏析相区域获得自组装膜保护是抑制铝合金局部腐蚀的关键.
参考文献
| [1] | 王芳,王茜,王亚斌,刘俊俊.铝合金表面三嗪二硫醇和硅烷纳米复合薄膜的制备及表征[J].功能材料,2011(03):432-435. |
| [2] | 郭增昌,王云芳,王汝敏.铝合金表面自组装膜层的表征及耐蚀性研究[J].材料保护,2007(07):1-4. |
| [3] | 张金涛,胡吉明,张鉴清,曹楚南.LY12铝合金/钝化膜/环氧涂层复合电极的腐蚀电化学行为[J].金属学报,2006(05):528-532. |
| [4] | IReland R;Arronche L;Saponara V L .Electrochemical investigation of galvanic corrosion between aluminum 7075 and glass fiber/epoxy composites modified with carbon nanotubes[J].Composites Part B:Eng,2011,43(02):183. |
| [5] | 刘娅莉,于占锋,周树学,武利民.自组装单分子膜技术在金属防护中的应用[J].涂料工业,2004(09):27-31. |
| [6] | Roberts A.;Engelberg D.;Liu YW.;Thompson GE.;Alexander MR. .Imaging XPS investigation of the lateral distribution of copper inclusions at the abraded surface of 2024T3 aluminium alloy and adsorption of decyl phosphonic acid[J].Surface and Interface Analysis: SIA: An International Journal Devoted to the Development and Application of Techniques for the Analysis of Surfaces, Interfaces and Thin Films,2002(8):697-703. |
| [7] | Wang Duhua;Ni Yuhua;Huo Qun et al.Self-assembled monolayer and multilayer thin films on aluminum 2024-T3 substrates and their corrosion resistance study[J].THIN SOLID FILMS,2005,471(1-2):177. |
| [8] | 李娟,葛圣松.自组装技术在金属防护中的应用研究进展[J].当代化工,2011(02):180-183. |
| [9] | Ramsier R D;Henriksen P N;Gent A N .Adsorption of phosphorus acids on aluminua[J].Surface Science,1988,203(1-2):72. |
| [10] | DeRose, JA;Hoque, E;Bhushan, B;Mathieu, HJ .Characterization of perfluorodecanoate self-assembled monolayers on aluminum and comparison of stability with phosphonate and siloxy self-assembled monolayers[J].Surface Science,2008(7):1360-1367. |
| [11] | Liakos IL;Newman RC;McAlpine E;Alexander MR .Study of the resistance of SAMs on aluminium to acidic and basic solutions using dynamic contact angle measurement[J].Langmuir: The ACS Journal of Surfaces and Colloids,2007(26):995-999. |
| [12] | Qu Jun'e;Wang H R;Zhang Q et al.Self-assembling behavior and corrosion inhibition properties of TDPA films on differently structured surfaces of 2024 and 1016 aluminum alloys[J].INTERNATIONAL JOURNAL OF MATERIALS RESEARCH,2012,103:1. |
| [13] | 王海人,屈钧娥,张强,吴慧敏,李晖.膦酸自组装膜在铝合金表面的吸附及缓蚀行为[J].表面技术,2011(01):40-43. |
| [14] | Wapner K;Stratmann M;Grundmeier G .Structure and stability of adhesion promoting aminopropyl phosphonate layers at polymer/aluminium oxide interfaces[J].Int J Adhesion Adhesives,2007,28(1-2):59. |
| [15] | Christine B;Alexandre F;Marie C L et al.Modelling the corrosion behaviour of Al2 CuMg coarse particles in copperrich aluminum alloys[J].Corrosion Science,2006,48(11):3838. |
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%