针对空客生产的A320机型合金钢零件镀硬铬层高耐腐蚀性的要求,研究了一种高耐蚀性镀硬铬工艺,所获得的镀铬层硬度为750~980HV,并且通过了750h的盐雾试验,满足空客技术要求.研究还发现,特殊的电镀硬铬工艺,尤其是镀铬后的HA油除氢、磨削等是提高硬铬镀层耐腐蚀性能的关键.该工艺目前已在工厂的批量生产中获得应用.
参考文献
[1] | K. -M. Yin;C. M. Wang .A study on the deposit uniformity of hard chromium plating on the interior of small-diameter tubes[J].Surface & Coatings Technology,1999(2/3):213-223. |
[2] | Saghi Beyragh, M.R.;Sh. Khameneh, A.;Norouzi, S. .A comparative research on corrosion behavior of a standard, crack-free and duplex hard chromium coatings[J].Surface & Coatings Technology,2010(7):2605-2610. |
[3] | Kim D.;Kim M.;Nam KS.;Chang D.;Kwon SC. .Duplex coating for improvement of corrosion resistance in chromium deposit[J].Surface & Coatings Technology,2003(0):650-654. |
[4] | Brooman E.W.; .Corrosion Performance of Environmentally Acceptable Alternatives to Cadmium and Chromium Coatings: Chromium-Part I[J].Metal finishing,2000(7):38-43. |
[5] | 张升达,王如星.镀铬层耐蚀性能的探讨[J].材料保护,2002(07):32-33. |
[6] | 奚兵.镀铬层的性能及影响因素[J].腐蚀与防护,2000(11):502-504. |
[7] | 金清肃,王秀玲.镀硬铬工艺中提高铬层附着力的方法[J].表面技术,2004(03):71-72. |
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%