研究了中温磷化液组分Zn2+、Mn2+、Ni2+、F-对镀锌板磷化膜重和耐碱性的影响.通过正交实验确定了最佳磷化配方:2.5 g/L Zn2+,2.0 g/L Mn2+,0.8 g/L Ni2+,1.5 g/L F-,20 g/L促进剂.据此配方得到的磷化膜外观呈浅灰色,表面均匀,膜厚30～33 μm,膜重5～8 g/cm2,硫酸铜点滴时间大于30 s,3%(质量分数)NaCl浸泡100h无锈点.
参考文献
| [1] | ANG K F;TURGOOSE S;THOMPSON G E .Development of phosphate coatings on mild steel[J].Transactions of the Institute of Metal Finishing,1991,69(02):58-62. |
| [2] | George Gorecki .Improved Iron Phosphate Corrosion Resistance by Modification with Metal Ions[J].Metal finishing,1995(3):36-39. |
| [3] | PERFETTI B M .A comparison of pretreatments for prepainted galvanized sheets[J].Metal Finishing,1983,81(05):57-59. |
| [4] | 唐春华,唐彬.锌材表面涂装前处理工艺[J].电镀与环保,2006(04):28-30. |
| [5] | 王绍明.镀锌钢板磷化液的研制[J].电镀与精饰,2005(06):10-12. |
| [6] | 李建三.镀锌钢板磷化工艺的研究[J].电镀与环保,2003(03):23-24. |
| [7] | 周谟银 .影响镀锌层磷化膜成长的因素[J].电镀与环保,1999,19(03):21-24. |
| [8] | DOLAN S E;KAY M J;CARLSON L R .Process for treating steel-,zinc-and aluminum-based metals using a two-step coating system[P].US 6733896,2004-05-11. |
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%