用常压弧光等离子体在45#钢表面熔覆Fe-Cr-Si-B粉末涂层, 采用电子探针、透射电镜、 X射线衍射仪及显微硬度计对熔覆层的成分、组织、结构及性能进行了分析. 结果表明: 熔覆层由A(Me)+F(Me)+Me23C6等组成, 且A与Me23C6保持共格关系, F与Me23C6保持位向平行关系; 熔覆层中B、 C、 Fe成分分布较均匀, Ce存在明显的波峰, 表明有Ce存在; Cr存在界面"梯度扩散层”; 显微硬度在HV0.05700左右. A、 F良好的强韧性, M23C6硬化及共格强化使得熔覆层性能优良.
参考文献
| [1] | 梁工英;李成劳;苏俊义 .Laser remelted Ni-Cr-Si conting on Al-Si alloy[J].金属学报,1997,33(03):316-318. |
| [2] | 武晓雷;陈光南 .TEM research on structure and high temperature transformation of laser clading on Fe base alloy[J].金属热处理学报,1999,20(01):18-21. |
| [3] | Nagarathnam K .Microstructural and microhardness characteristics of laser-synthesized Fe-Cr-W-C Coatings[J].Metallurgical and Materials Transactions,1995,26:2131. |
| [4] | WANG Yao-wen,CHEN Qiang,SUN Zhen-guo,SUN Jiu-wen.Relationship between sound signal and weld pool status in plasma arc welding[J].中国有色金属学会会刊(英文版),2001(01):54-57. |
| [5] | MA Sheng-li,LI Yan-huai,NAN Jun-ma,XU Ke-Wei.Pulsed DC plasma enhanced chemical vapor deposited TiN/Ti(C,N) multilayer coatings[J].中国有色金属学会会刊,2000(04):489. |
| [6] | JI Hong-bing,XIA Li-fang,MA Xin-xin,SUN Yue.Tribological behavior of different films on Ti-6Al-4V alloy prepared by plasma-based ion implantation[J].中国有色金属学会会刊,2000(04):493. |
| [7] | ZHOU Jian,HE Wei,YUAN Run-zhang,JIANG De-sheng.Emission spectra of microwave plasma and MPCVD transparent diamond film[J].中国有色金属学会会刊,2000(04):502. |
| [8] | 吴玉萍;李惠琪 .Study on surface alloying and quenching of 16Mn by ordinary pressure plasma jet scanning[J].金属热处理学报,1998,19(02):48-51. |
| [9] | 李惠琪;吴玉萍.Study on plasma multivariant cenentation of cylinder[J].金属热处理,1998(08):25-27. |
| [10] | 过增元.热流体学[M].北京:清华大学出版社,1992:140. |
| [11] | 石德珂.材料科学基础[M].北京:机械工业出版社,2000:199. |
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%