采用由硫酸氧钛、氟化钠为主盐的转化液,在60℃,pH 5～5.5及紫外光照射条件下处理5 min,在2024铝合金表面制备了一种钛盐转化膜,中性盐雾时间超过96 h.EDS和XPS分析结果表明,转化膜主要由O,Ti,Al,F,Mg及Cu等元素组成,转化膜中的Ti主要以TiO2的形式存在.电化学测试结果表明,紫外照射条件下,转化反应处理的2024铝合金腐蚀电位正移和阳极钝化区形成,使得2024铝合金惰性、防腐性能显著增强.
参考文献
| [1] | KURT M;KAYNAK Y;BAGCI E .Evaluation of Drilled Hole Quality in 2024 Al Alloy[J].International Journal of Advanced Manufacturing Technology,2008,37(11):1051-1060. |
| [2] | Yue TM.;Man HC.;Wu YX. .On the role of CuAl2 precipitates in pitting corrosion of aluminium 2009/SiCW metal matrix composite[J].Journal of Materials Science Letters,2000(11):1003-1006. |
| [3] | <航空制造工程手册>总编委会.航空制造工程手册[M].北京:航空工业出版社,1993 |
| [4] | BLANC Ch;MANKOWSKI G .Pit Propagation Rate on the 2024 and 6056 Aluminum Alloys[J].Corrosion Science,1998,40(2/3):411-429. |
| [5] | GUILLAUM In V;MANKOWSKI G .Localized Corrosion of 2024 T351 Aluminum Alloy in Chloride Media[J].Corrosion Science,1999,41(03):421-438. |
| [6] | ZAMPONI C H;SONNEBERGER S T;HAAKS M et al.Investigation of Fatigue Cracks in Aluminum Alloys 2024 and 6013 in Laboratory Air and Corrosive Environment[J].Journal of Materials Science,2004,39(23):6951-6956. |
| [7] | 朱祖芳 .铝合金阳极氧化的常见缺陷[J].轻合金加工技术,1998,26(04):29-32. |
| [8] | 贺春林,于文馨,王建明,才庆魁.2024铝合金阳极氧化膜的结构和耐蚀性能[J].材料保护,2006(02):45-48. |
| [9] | SCHUTZ R;THOMAS D.Metal Handbook,Corrosion of Titanium and Titanium Alloys[M].Ohio:ASM International,1987:669. |
| [10] | PEACOCK D K .Effective Design of High Performance Corrosion Resistant Systems for Ocean Environments Using Titanium[J].Corrosion Reviews,2000,18(4/5):312-314. |
| [11] | KIRK Other.Encyclopedia of Chemical Technology[M].NewYork:A Wiley-interscience Publication,1976:1182-1183. |
| [12] | DEILY John E .Use Titanium to Stand up to Corrosives[J].Chemical Engineering Progress,1997,93(06):50-55. |
| [13] | Kumar PM.;Sastry M.;Badrinarayanan S. .Nanocrystalline TiO2 studied by optical, FTIR and X-ray photoelectron spectroscopy: correlation to presence of surface states[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2000(1/2):122-130. |
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%