以Fe2O3,WO3,Al,C为反应原料,采用SHS-离心法制备W-C-Fe内衬复合钢管.利用X射线衍射(XRD)、扫描电镜(SEM)分析了涂层的组织,用显微硬度仪测量内衬层硬度,并通过磨粒磨损试验测量了该涂层的耐磨性.结果表明,涂层组织包括主相Fe3W3C及少量的WC,W2C,Fe3C,Fe.涂层组织呈梯度分布,靠近基体处晶粒细小,远离基体处晶粒呈粗大树枝状.涂层硬度为13.5±1.6 GPa.涂层的主要磨损机制为显微切削.涂层的相对耐磨性是淬火45#钢的16倍以上.
参考文献
| [1] | 王宝云,李争显,马东康.钛及钛合金表面强化技术[J].稀有金属快报,2005(07):6-10. |
| [2] | 李争显.表面技术的现状及新工艺[J].稀有金属快报,2001(08):1-5. |
| [3] | Pagounis E.;Lindroos VK. .Processing and properties of particulate reinforced steel matrix composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1998(1/2):221-234. |
| [4] | Zhang YM.;Hida M.;Sakakibara A.;Takemoto Y. .Effect of WC addition on microstructures of laser melted Ni-based alloy powder[J].Surface & Coatings Technology,2003(0):384-387. |
| [5] | 周昌炽;唐西南;查莹 et al.激光熔覆金属合金和WC复合涂层及其应用[J].清华大学学报(自然科学版),1998,38(10):32-34. |
| [6] | 宋延沛,李秉哲,张恒,王德全,谢敬佩.WCP/Fe-C复合材料的界面反应和基体合金化研究[J].复合材料学报,2000(03):46-50. |
| [7] | Binshi Xu;Zixin Zhu;Shining Ma;Wei Zhang;Weimin Liu .Sliding wear behavior of Fe-Al and Fe-Al/WC coatings prepared by high velocity arc spraying[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2004(11):1089-1095. |
| [8] | Ageorges H;Ctibor P;Medarhri Z;Touimi S;Fauchais P .Influence of the metallic matrix ratio on the wear resistance (dry and slurry abrasion) of plasma sprayed cermet (chromia/stainless steel) coatings[J].Surface & Coatings Technology,2006(5):2006-2011. |
| [9] | 殷声.燃烧合成[M].北京:冶金工业出版社,1999 |
| [10] | Grigor'ev Yu M;Merzhanov A G .SHS Coatings[J].International Journal of Self-Propagating High-Temperature Synthesis,1992,1(04):600-603. |
| [11] | Yukhvid V I;Kachin A R;Zakharov G V .Centrifugal SHS Surfacing of the Refractory Inorganic Materials[J].Intemational Journal of Serf-Propagating High-temperature Synthesis,1994,3(04):321-323. |
| [12] | 殷声,郭志猛,林涛,果世驹.陶瓷复合钢管的研究和工业应用[J].材料导报,2000(12):44-46. |
| [13] | 席文君;殷声;赖和怡 .启蔓延-离心法制备的不锈钢内衬复合钢管的力学性能[J].金属学报,1999,35(02):137-139. |
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