以1Cr17铁素体不锈钢为基体,在摩尔比2:1的酸性AlCl3-EMIC(1-甲基-3-乙基咪唑氯化物)室温熔盐中电沉积均匀致密的铝镀层,然后分别在300℃、650℃、670℃下进行不同时间的热处理,用刻划撕扯法判断镀层的结合力,用SEM、EDS及XRD对热处理后的试样界面进行微观分析.结果表明,试样经热处理后,结合力有了很大提高,镀层与基体之间发生互扩散形成合金层,合金层由含Cr的Fe2Al3、FeAl、Fe3Al等相组成,且随着温度提高及热处理时间的增长,镀层由Fe2Al5相进一步转变成铁含量高、韧性高的FeAl、Fe3Al相.
参考文献
| [1] | Frank Endres .Ionic Liquids: Solvents for the Electrodeposition of Metals and Semiconductors[J].Chemphyschem: A European journal of chemical physics and physical chemistry,2002(2):144-154. |
| [2] | Lee J-J.;Miller B. .Aluminum Deposition and Nucleation on Nitrogen-Incorporated Tetrahedral Amorphous Carbon Electrodes in Ambient Temperature Chloroaluminate Melts[J].Journal of the Electrochemical Society,2000(9):3370-3376. |
| [3] | 高丽霞,王丽娜,齐涛,李玉平,初景龙,曲景奎.离子液体AlCl3/Et3NHCl中电沉积法制备金属铝[J].物理化学学报,2008(06):939-944. |
| [4] | Jiang T;Brym MJC;Dube G;Lasia A;Brisard GM .Electrodeposition of aluminium from ionic liquids: Part I - electrodeposition and surface morphology of aluminium from aluminium chloride (AlCl3)-l-ethyl-3-methylimidazolium chloride ([EMIm]Cl) ionic liquids[J].Surface & Coatings Technology,2006(1/2):1-9. |
| [5] | Zhu LQ;Li WP;Shan DD .Effects of low temperature thermal treatment on zinc and/or tin plated coatings of AZ91D magnesium alloy[J].Surface & Coatings Technology,2006(6):2768-2775. |
| [6] | Liu QX;El Abedin SZ;Endres F .Electroplating of mild steel by aluminium in a first generation ionic liquid: A green alternative to commercial Al-plating in organic solvents[J].Surface & Coatings Technology,2006(3/4):1352-1356. |
| [7] | Wang, DQ .Phase evolution of an aluminized steel by oxidation treatment[J].Applied Surface Science,2008(10):3026-3032. |
| [8] | Gul Humeed Awan;Faiz ul Hasan .The morphology of coating/substrate interface in hot-dip aluminized steel[J].Materials Science and Engineering A,2008,472(1-2):157-165. |
| [9] | Aruna Bahadur;O. N. Mohanty .Aluminium Diffusion Coatings on Medium Carbon Steel[J].Materials Transactions, JIM,1995(9):1170-1175. |
| [10] | McKamey C G;Horton J A;Liu C T .Effect of chromium room temperature ductility and fracture mode in Fe3Al[J].Scripta Metallurgica,1988,22:1679-1681. |
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%