在由NiSO4·6H2O、NaH2PO2·H2O、Na3C6H5O7、CH3COONa和KIO3组成的化学镀镍液中,改变配位剂柠檬酸钠的浓度制备了4种不同含磷量的Ni-P合金镀层,用投影覆盖法计算了其表面分形维数,并考察了分形维数与柠檬酸钠浓度及镀层耐硝酸性能的关系.结果表明,镀层的表面分形维数介于2.329 8～2.6586之间,与柠檬酸钠浓度具有良好的线性正比关系,而与镀层在硝酸中的腐蚀失重量呈良好的线性负相关.因此,表面分形维数可用于定量表征镀层的耐蚀性.
参考文献
| [1] | J.N. Balaraju;T.S.N. Sankara Narayanan;S.K. Seshadri .Structure and phase transformation behaviour of electroless Ni-P composite coatings[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2006(4):847-860. |
| [2] | K. G. Keong;W. Sha .CRYSTALLISATION AND PHASE TRANSFORMATION BEHAVIOUR OF ELECTROLESS NICKEL - PHOSPHORUS DEPOSITS AND THEIR ENGINEERING PROPERTIES[J].Surface Engineering,2002(5):329-343. |
| [3] | J.Y. Song;J. Yu .Residual stress measurements in electroless plated Ni-P films[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2002(1/2):167-172. |
| [4] | D.H. Jeong;U. Erb;K.T. Aust .The relationship between hardness and abrasive wear resistance of electrodeposited nanocrystalline Ni-P coatings[J].Scripta materialia,2003(8):1067-1072. |
| [5] | Ivo Paseka .Hydrogen evolution reaction on Ni-P alloys: The internal stress and the activities of electrodes[J].Electrochimica Acta,2008(13):4537-4543. |
| [6] | Straffelini G.;Molinari A.;Colombo D. .Surface durability of electroless Ni-P composite deposits[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,1999(1):179-188. |
| [7] | Qing-Jun Zhou;Jian-Qiang Zhao;Fei Nie;Wu-Yang Chu;Jin-Xu Li;Li-Jie Qiao .The effect of hydrogen on friction and wear of Ni-P electroless coating[J].Wear,2009(7/8):810-813. |
| [8] | Baskaran I;Narayanan TSNS;Stephen A .Effect of accelerators and stabilizers on the formation and characteristics of electroless Ni-P deposits[J].Materials Chemistry and Physics,2006(1):117-126. |
| [9] | MANDELBROT B .How long is the coast of Britain? Statistical selfsimilarity and fractional dimension[J].Science,1967,156(3775):636-638. |
| [10] | 张先林,冯利群.木材断口表面分维与其主要力学性能关系的研究[J].内蒙古农业大学学报（自然科学版）,2009(02):216-221. |
| [11] | AMADA S;YAMADA H .Introduction of fractal dimension to adhesive strength evaluation of plasma-sprayed coatings[J].Surface and Coatings Technology,1996,78(1/3):50-55. |
| [12] | 靳惠明,龚海华,周小卫,张林楠.不同pH值下制备的镍-磷化学镀层相结构及热稳定性[J].化工学报,2009(04):972-977. |
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%