采用复合电镀技术通过向电镀溶液中加入平均粒度为90nm的Al2O3粉,在Ni基材上制备了Ni-纳米Al2O3复合镀层,应用扫描电镜(SEM)、X射线衍射(EDAX)及透射电镜(TEM)等手段对复合镀层的表面形貌和结构进行了表征,并通过试验考察了镀层的磨损性能.结果表明,纳米Al2O3颗粒均匀分布在Ni纳米晶中;纳米Al2O3颗粒的加入不仅细化了基体Ni的晶粒尺寸,而且还具有弥散强化作用,从而提高了Ni-Al2O3纳米复合镀层的硬度和耐磨性能.
参考文献
| [1] | Wu G.;Li N.;Zhou DR.;Mitsuo K. .Electrodeposited Co-Ni-Al2O3 composite coatings[J].Surface & Coatings Technology,2004(2):157-164. |
| [2] | Hou K H;Ger M D;Wang L M et al.The wear behaviour of electro-codeposited Ni-SiC composites[J].Wear,2002,253(9-10):994-1003. |
| [3] | Wang LP;Gao Y;Liu HW;Xue QJ;Xu T .Effects of bivalent Co ion on the co-deposition of nickel and nano-diamond particles[J].Surface & Coatings Technology,2005(1):1-6. |
| [4] | Kuo SL;Chen YC;Ger MD;Hwu WH .Nano-particles dispersion effect on Ni/Al2O3 composite coatings[J].Materials Chemistry and Physics,2004(1):5-10. |
| [5] | Steinbach J;Ferkel H .Nanostructured Ni-Al2O3 films prepared by DC and pulsed DC electroplating[J].Scripta Materialia,2001,44:1813-1816. |
| [6] | Lee HK;Lee HY;Jeon JM .Codeposition of micro- and nano-sized SiC particles in the nickel matrix composite coatings obtained by electroplating[J].Surface & Coatings Technology,2007(26):4711-4717. |
| [7] | Maria Lekka;Niki Kouloumbi;Mauro Gajo;Pier Luigi Bonora .Corrosion and wear resistant electrodeposited composite coatings[J].Electrochimica Acta,2005(23):4551-4556. |
| [8] | Srivastava M;Grips VKW;Rajam KS .Electrochemical deposition and tribological behaviour of Ni and Ni-Co metal matrix composites with SiC nano-particles[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2007(8):3814-3824. |
| [9] | Qu N S;Zhu D;Chan K C .Fabrication of Ni-CeO2 nano-composite by electrodepoisition[J].Scripta Materialia,2006,54:1421-1425. |
| [10] | Wang LP;Gao Y;Xu T;Xue QJ .A comparative study on the tribological behavior of nanocrystalline nickel and cobalt coatings correlated with grain size and phase structure[J].Materials Chemistry and Physics,2006(1):96-103. |
| [11] | Xue YJ;Li JS;Ma W;Zhou YW;Duan MD .Sliding wear behaviors of electrodeposited nickel composite coatings containing micrometer and nanometer La2O3 particles[J].Journal of Materials Science,2006(6):1781-1784. |
| [12] | G. Carac;L. Benea;C. Iticescu .Codesposition of cerium oxide with nickel and cobalt: correlation between microstructure and microhardness[J].Surface Engineering,2004(5):353-359. |
| [13] | Xue YJ;Jia XZ;Zhou YW;Ma W;Li JS .Tribological performance of Ni-CeO2 composite coatings by electrodeposition[J].Surface & Coatings Technology,2006(20/21):5677-5681. |
| [14] | Qu N S;Zhu D;Chan K C .Fabrication of Ni-CeO2 nano-composite by electrodepoisition[J].Scripta Materialia,2006,54:1421-1425. |
| [15] | G I;Fransaer J;Celis J P .Electrodeposition and sliding wear resistance of nickel composite coating containing micro and submicro SiC particles[J].Surface and Coatings Technology,2001,148:171-178. |
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%