Effect of heat treatment on the structure, cavitation erosion and erosion-corrosion behavior of Fe-based amorphous coatings

被引：79
|
作者：
Zheng, Z. B. [1 ]
Zheng, Y. G. [1 ]
Sun, W. H. [2 ]
Wang, J. Q. [2 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
[2] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2015年 / 90卷
基金：
中国国家自然科学基金;
关键词：
Coating; Slurry erosion; Cavitation; Thermally-sprayed; STAINLESS-STEEL COATINGS; SOLID PARTICLE EROSION; BULK METALLIC-GLASS; NACL SOLUTION; COMPOSITE COATINGS; SURFACE-HARDNESS; SPRAYED COATINGS; STELLITE; RESISTANCE; SLURRY;
D O I：
10.1016/j.triboint.2015.04.039
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this study, high-velocity oxygen-fuel sprayed amorphous coatings have been heat treated at various temperatures to form microstructures with crystalline phases. The structure, micro-hardness, cavitation erosion resistance and erosion-corrosion resistance of these coatings are compared. Crystalline phases are discovered in the coatings after heat treatments at 650 degrees C and 750 degrees C. The coating heat treated at 750 degrees C exhibits the poorest cavitation erosion resistance in 3.5 wt% NaCl solution among all coatings due to the degraded corrosion resistance. However, the hardness of the crystallized coating can reach 1000 Hv and the erosion-corrosion resistance of the heat treated coating is better than the untreated one. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：393 / 403
页数：11
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