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电弧喷涂铁基非晶涂层的结构与性能

傅斌友, 贺定勇, 赵力东, 李晓延

傅斌友, 贺定勇, 赵力东, 李晓延. 电弧喷涂铁基非晶涂层的结构与性能[J]. 焊接学报, 2009, (4): 53-56.
引用本文: 傅斌友, 贺定勇, 赵力东, 李晓延. 电弧喷涂铁基非晶涂层的结构与性能[J]. 焊接学报, 2009, (4): 53-56.
FU Binyou, HE Dingyong, ZHAO Lidong, LI Xiaoyan. Microstructure and properties of arc sprayed coatings containing Fe-based amorphous phase[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (4): 53-56.
Citation: FU Binyou, HE Dingyong, ZHAO Lidong, LI Xiaoyan. Microstructure and properties of arc sprayed coatings containing Fe-based amorphous phase[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (4): 53-56.

电弧喷涂铁基非晶涂层的结构与性能

基金项目: 德国科学基金会(DFG)资助项目(ZH205/1-1)~~

Microstructure and properties of arc sprayed coatings containing Fe-based amorphous phase

  • 摘要: 用电弧喷涂技术在低碳钢基体上制备一种含非晶和纳米晶的Fe基涂层.采用X射线衍射仪(XRD)、扫描电镜(SEM)、透射电镜(TEM)、显微硬度仪分析测量涂层的组织和性能.并用谢乐公式计算晶粒尺寸.结果表明,涂层呈典型的层状组织结构,由变形良好的带状粒子相互搭接堆积而成.涂层结构致密,孔隙率低,氧化物含量较少,涂层含有非晶和纳米晶,晶粒尺寸为10~40 nm,利用X射线衍射强度比较法测量涂层中非晶相的含量为55.3%.涂层具有很高的硬度,其显微硬度最高达到1260 HV0.1。
    Abstract: In the present study, a Fe-based cored wire was used to deposit coatings containing Fe-based amorphous phase and fine crystallites on a mild steel substrate by arc spraying.The microstructure and properties of coatings were investigated by XRD, SEM, TEM and micro-hardness meter;and the grain size of the coatings was determined from the corresponding peak via the Scherrer formula.The experiment results show that the coating has homogenous laminated microstructure and contains only a little micro-pores and oxides, Fe-based amorphous phase and nanocrystalline grains are observed in the coating, and the grain size of the crystalline is between 10-40 nm.The volume content of the amorphous phase in the coating amounts to 55.3% by the X-ray diffraction intensity curve.The coating is hard, with microhardness value about 1 260 HV0.1.
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    其他类型引用(14)

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出版历程
  • 收稿日期:  2008-07-06

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