Siliconizing of iron and molybdenum by electrochemical reduction of silicon in molten SiO2-Li2O-MgO

被引：11

作者：

Sasaki, Hideaki ^{[1
]}

Maeda, Masafumi ^{[1
]}

机构：

[1] Univ Tokyo, Inst Ind Sci, Int Res Ctr Sustainable Mat, Meguro Ku, Tokyo 1538505, Japan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 641卷

基金：

日本学术振兴会;

关键词：

Coating materials; High-temperature alloys; Electrochemical reactions; FE-SI; ELECTRODEPOSITION; INTERDIFFUSION; DIFFUSION; MO;

D O I：

10.1016/j.jallcom.2015.04.037

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Electrochemical reduction of silicon on metal electrodes in molten silicate was studied. An iron sheet was immersed in SiO2-Li2O-MgO at 1273 K, and the electrode potential was controlled for 1 h. Formation on the iron of a Si-containing layer about 10-30 mu m thick was observed after the electrolysis, depending on the potential. When a molybdenum electrode was used, alpha-MoSi2 layer about 5 mu m thick was formed on the surface. The results suggest the applicability of molten oxide electrolysis as a synthesis method of Si-containing alloy layers. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：64 / 68

页数：5

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