Spraying of Fe-based amorphous coating with high corrosion resistance by HVAF

被引：68

作者：

Wang, Gang ^{[1
]}

Huang, Zhongjia ^{[1
]}

Xiao, Ping ^{[1
]}

Zhu, Xiebing ^{[1
]}

机构：

[1] Anhui Polytech Univ, Remfg Surface Engn Technol Res Ctr, Wuhu 241000, Peoples R China

来源：

JOURNAL OF MANUFACTURING PROCESSES | 2016年 / 22卷

基金：

中国国家自然科学基金;

关键词：

Amorphous alloy; Coating; HVAF; Corrosion resistance; BULK METALLIC-GLASS; P-C ALLOYS; MICROSTRUCTURE; MOLYBDENUM; BEHAVIOR; POWDERS;

D O I：

10.1016/j.jmapro.2016.01.009

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fe-based amorphous coating with composition of Fe42.87Cr15.98Mo16.33C15.94B8.88 has been deposited on a mild steel substrate by high velocity air fuel thermal spraying. The microstructure and corrosion properties of the Fe-based alloy coating were studied in detail. It was found that the obtained Fe-based coating showed fully amorphous state with about 100 mu m in thickness. Also, the obtained coating exhibited very dense structure with a porosity of 1.5%. Polarization tests demonstrated that the coating exhibited better corrosion resistance than stainless steel in NaOH solution and simulated seawater. The reasons of superior corrosion have been discussed from the alloy elements and the homogeneous structure of Fe-based amorphous coating. (C) 2016 The Society of Manufacturing Engineers. Published by Elsevier Ltd. All rights reserved.

引用

页码：34 / 38

页数：5

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