使用独特的雾化干燥结合固定床技术合成WC-12Co纳米复合粉体,利用等离子喷涂法制备纳米结构WC-12Co涂层,通过X射线衍射、扫描电镜、透射电镜等分析手段对等离子喷涂纳米结构WC-12Co涂层进行显微结构分析.结果表明涂层中除了WC相,不仅有W2C,W等非WC/Co相的产生,还出现了CoxWyCz(Co3W9C4,Co3W3C),Co3C等相及非晶和孪晶组织,在此基础上本工作将对等离子喷涂纳米结构WC-12Co涂层的形成机理作初步的研究与讨论.
参考文献
| [1] | H. Liao;B. Normand;C. Coddet .Influence of coating microstructure on the abrasive wear resistance of WC/Co cermet coatings[J].Surface & Coatings Technology,2000(2/3):235-242. |
| [2] | Allen C.;Williams J.;Pugsley VA.;Sheen M. .The wear of ultrafine WC-Co hard metals[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2001(1):604-610. |
| [3] | Z. FANG;J. W. EASON .Study of Nanostructured WC-Co Composites[J].International Journal of Refractory Metals & Hard Materials,1995(5):297-303. |
| [4] | Y. Wang;S. M. Hsu;P. Jones .Evaluation of thermally-sprayed ceramic coatings using a novel ball-on-inclined plane scratch method[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,1998(1):96-102. |
| [5] | Stewart D.A.;McCartney D.G.;Shipway P.H. .Abrasive wear behaviour of conventional and nanocomposite HVOF-sprayed WC-Co coatings[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,1999(2):789-798. |
| [6] | 徐滨士,欧忠文,马世宁.纳米表面工程基本问题及其进展[J].中国表面工程,2001(03):6-12. |
| [7] | HE Jian-hong;SCHOENUNG J M .A review on nanostructured WC-Co coatings[J].Surface and Coatings Technology,2002,157(01):72-79. |
| [8] | KEAR B K;MCCANDLISH L E .Chemical processing and properties of nanostructured WC-Co materials[J].Nano-Structured Materials,1993,3(01):19. |
| [9] | EI-ESKANDARAN Y M SHERIF;MAHDAY AMIR A;AHMED H A et al.Synthesis and characterazions of ballmilled nanocrystallione WC and nanocomposite WC-Co powders and subsequent consolididations[J].Journal of Alloys and Compounds,2000,312(1-2):315-325. |
| [10] | HE Jian-hong;SCHOENUNG J M .Review:nanostrucured coatings[J].Materials Science and Engineering A,2002,336(1-2):274-319. |
| [11] | 邓世均.高性能陶瓷涂层[M].北京:化学工业出版社,2004 |
| [12] | D.A.Stewart;P.H.Shipway .Microstructural evolution in thermally sprayed WC-Co coatings: comparison between nanocomposite and conventional starting powders[J].Acta materialia,2000(7):1593-1604. |
| [13] | 徐滨士;朱绍华.表面工程的理论与技术[M].北京:国防工业出版社,1999 |
| [14] | B B库吉诺夫.等离子涂层[M].北京:科学出版社,1981 |
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