High performance amorphous steel coating prepared by HVOF thermal spraying

被引：109
|
作者：
Ni, H. S. [1 ]
Liu, X. H. [1 ]
Chang, X. C. [1 ]
Hou, W. L. [1 ]
Liu, W. [1 ]
Wang, J. Q. [1 ]
机构：
[1] CAS, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 467卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Amorphous steel coating; HVOF; Hardness; Wear resistance; Corrosion resistance; Paramagnetism; BULK METALLIC GLASSES; HIGH CORROSION-RESISTANCE; ALLOYS; MICROSTRUCTURE;
D O I：
10.1016/j.jallcom.2007.11.133
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：
Amorphous steel coating with a composition of Fe48Cr15Mo14C15B6Y2 was prepared by means of high velocity oxygen fuel (HVOF) thermal spraying. Microstructural analysis gives the information about porosity, oxidation and nanocrystal precipitation. Properties including the hardness, wear, corrosion and magnetic behaviors of the coating were examined. It was shown that the microhardness and wear resistance of the coating are supenor to those of electroplated Cr and Ni-based amorphous coating. In 1 M HCl aqueous solution, the coating demonstrated a low passive current density, a wide passive region and the same transpassive potential as bulk amorphous sample. Furthermore, the coating remained paramagnetic attribute in room temperature. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：163 / 167
页数：5
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