Fe-Cr-Y2O3 MICRO-CRYSTALLINE COATINGS DEPOSITED BY SERIES ELECTRO-PULSE DISCHARGE

被引：0
|
作者：
Q. Xu
机构：
来源：
Acta Metallurgica Sinica(English Edition) | 2002年 / 04期
基金：
中国国家自然科学基金;
关键词：
series electro-pulse discharge; Fe-Cr-Y2O3 micro-crystalline al-loy coating; high-temperature oxidation;
D O I：
暂无
中图分类号：
TG174.4 [金属表面防护技术];
学科分类号：
080503 ;
摘要：
A new technique-series electro-pulse discharge (SEPD) -was developed as a sur-face coating process. In this technique, both positive and negative poles of a pulse power were used as the depositing electrodes with the substrate alloy as an induction electrode. Fe-Cr and Fe-Cr-Y2O3 micro-crystalline coatings were deposited on stain-less steel (Fe-18Cr-8Ni) surfaces. Oxidation at 950℃ in ambient air showed that the coatings greatly improved the oxidation resistance of the steel. The addition of dis-persed Y2O3 nano-particles into the alloy coatings was found to further reduce the scaling rate and enhance the adhesion of oxide scales.
引用
收藏
页码：331 / 338
页数：8
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