通过改变镀液的CNi2+/CH2PO2-比例,在乙酸-柠檬酸体系中,获得组成分别为Ni-7.8 P(质量比)和Ni-11.7 P的镍磷化学镀层.用程序升温原位XRD分析了镀层在40～500 ℃之间的结构变化.镀态时Ni-7.8 P为微晶结构而Ni-11.7 P为非晶结构.在20 ℃/min升温速度下,Ni-7.8 P在200 ℃后发生晶化,直接析出稳定的Ni3P和Ni相.Ni-11.7 P在300 ℃后晶化,先析出介稳的Ni5P2相,375 ℃后转变为平衡的Ni3 P和Ni相.
参考文献
| [1] | 姜晓霞;沈伟.化学镀理论及实践[M].北京:国防工业出版社,2000 |
| [2] | 胡信国,张钦京.化学镀镍技术的新进展[J].新技术新工艺,2001(02):35-37. |
| [3] | 闫洪,窦明民,陈越,刘玉强.化学镀镍基合金的性能优势和应用[J].中国表面工程,2001(04):11-14. |
| [4] | 张朝阳,魏锡文,张海东,肖维平,李兵.铜及黄铜基体上化学镀Ni-P合金诱发过程的研究[J].材料保护,2001(08):19-20. |
| [5] | 张朝阳,魏锡文,刘际伟,周利华.化学镀Ni-P合金的氢化物-电化学联合机理[J].材料保护,2002(05):19-21. |
| [6] | 张国栋 .Ni-P化学镀反应速率及机理研究[J].物理化学学报,1998,14:429-434. |
| [7] | Touhami ME.;Cherkaoui M.;Chassaing E. .Kinetics of the autocatalytic deposition of Ni-P alloys in ammoniacal solutions[J].Electrochimica Acta,1998(12/13):1721-1728. |
| [8] | 黄高山,陶莉,周桂香,黄亮.酸性化学镀镍-磷工艺研究[J].电镀与涂饰,2001(02):15-18. |
| [9] | 刘汝涛,冯雁卿,高灿柱,杨景和.化学镀镍清洁生产工艺的研究[J].化工环保,2001(03):164-167. |
| [10] | 周海晖,罗胜联,陈金华,旷亚非.中温酸性化学镀镍工艺研究[J].电镀与环保,2002(01):20-22. |
| [11] | 龙有前,肖鑫,胡新亮,郭贤烙,张瑞欣.玻璃丝布的化学镀镍[J].材料保护,2001(01):28-29. |
| [12] | 徐瑞东,郭忠诚.新型化学镀镍光亮剂的研究[J].材料保护,2002(06):30-32. |
| [13] | 蒋太祥,吴辉煌.化学镀镍-高磷合金的微观结构及晶化行为研究[J].高等学校化学学报,2001(06):976-979. |
| [14] | Hur K H;Jeong J H;Lee D N .Microstructurees and crystallization of electroless Ni-P deposits[J].Journal of Materials Science,1990,25:2573-2584. |
| [15] | Ma Erming;Luo Shoufu;Li Pengxing .A transmission electron microscopy study on the crystallization of amorphous Ni-P electroless deposited coatings[J].THIN SOLID FILMS,1988,166:273-280. |
| [16] | Marshall G W;Lewis D B;Dodds B E .Elelctroless deposition of Ni-P alloys with and without the use of superimposed pulsed current[J].Surface and Coatings Technology,1992,53:223-230. |
| [17] | Mai Q X;Daniels R D;Harpalani H B .Structure changes indurced by heating in electroless nickel-phosphorous alloys[J].THIN SOLID FILMS,1988,166:235-247. |
| [18] | Krishnamoorthy P R;Narayana B H;Ramakrishna T V.Properties of electroless nickel-phosphorus deposits after crystallization[J].Metal Finishing,1992(01):13-18. |
| [19] | 周上祺,陈青,任勤.化学镀Ni-P合金镀层的微观结构[J].材料保护,2001(02):10-12. |
| [20] | M. H. Staia;E. S. Puchi;G. Castro;F. O. Ramirez;D. B. Lewis .Effect of thermal history on the microhardness of electroless Ni-P[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,1999(0):472-479. |
| [21] | J. N. Balaraju;S. K. Seshadri .Synthesis and characterization of electroless nickel-high phosphorus coatings[J].Metal finishing,1999(7):8-10,12-13-0. |
| [22] | LI Hexing;Xu Yeping .Liquid phase benzene hydrogenation to cyclohexane over modified Ni-P amorphous catalysts[J].Materials Letters,2001,51:101-107. |
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%