电弧喷涂制备纳米涂层的组织结构与性能Microstructure and properties of arc sprayed nanocrystalline coating
傅斌友,贺定勇,蒋建敏,李晓延
摘要(Abstract):
用电弧喷涂技术在Q235钢基体上制备一种高非晶含量的Fe基非晶涂层,将非晶涂层在600℃中保温1h,使非晶晶化形成纳米结构涂层。采用X射线衍射、差热分析、透射电镜、湿式橡胶轮磨粒磨损试验机测量涂层的组织和性能。试验结果表明,涂层呈典型的层状组织,结构致密,孔隙率低,晶粒尺寸为10~40 nm,其平均显微硬度为1143 HV0.1,同等试验条件下,纳米结构涂层耐磨粒磨损性能约为3Cr13涂层的5倍。
关键词(KeyWords): 电弧喷涂;纳米晶;涂层;组织结构;耐磨性能
基金项目(Foundation): 德国科学基金(DFG)(ZH205/1-1)
作者(Author): 傅斌友,贺定勇,蒋建敏,李晓延
DOI: 10.13289/j.issn.1009-6264.2010.01.006
参考文献(References):
- [1]徐滨士,欧忠文,马世宁.纳米表面工程基本问题及进展[J].中国表面工程,2001,(3):13-16.XUBin-shi,OU Zhong-wen,MA Shi-ning.Fundamental issues and new progress of nano-surface engineering[J].China Surface Engineering,2001,3:13-16.
- [2]陈煌,林新华,曾毅,等.热喷涂纳米陶瓷涂层研究进展[J].硅酸盐学报,2002,30(2):235-239.CHEN Huang,LINXin-hua,ZENG Yi,et al.Research progress on nanostructured ceramic coatings prepared by thermal spraying[J].Journal of theChinese Ceramic Society,2002,30(2):235-239.
- [3]Leon L S,Daniel G,Ruimikng R.The dependency of microstructure and properties of nanostructured coatings on plasma spray conditions[J].SurfaCoat Tech,2000,130:1-8.
- [4]Liang B,Ding C X.Phase composition of nanostructured zirconia coatings deposited by air plasma spraying[J].Surf Coat Tech,2005,191:267-273.
- [5]Shipway P H,McCartney D G,Sudaprasert T.Sliding wear behavior of conventional and nanostructured HVOF sprayed WC-Co coatings[J].Wear,2005,259:820-827.
- [6]Lima R S,Karthikeyan J,Kay C.M,et al.Microstructural characteristics of cold sprayed nanostructured WC-Co Coatings[J].Thin Solid Films,2002,416:129-132.
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