EFFECT OF HIGH-TEMPERATURE CORROSION ON THE GAS-ABRASIVE RESISTANCE OF ELECTRIC-ARC COATINGS

被引：9
|
作者：
Student, M. M. [1 ]
Pokhmurs'ka, H. V. [2 ]
Hvozdets'kyi, V. V. [1 ]
Holovchuk, M. Ya. [1 ]
Romaniv, M. S. [3 ]
机构：
[1] Ukrainian Natl Acad Sci, Karpenko Physicomech Inst, Lvov, Ukraine
[2] Tech Univ Chemnitz, Inst Composite Mat & Surface Technol, Chemnitz, Germany
[3] Burshtyn Thermal Power Plant, Burshtyn, Ukraine
来源：
MATERIALS SCIENCE | 2009年 / 45卷 / 04期
关键词：
electric-arc coatings; gaseous corrosion; gas-abrasive wear; dispersed phases; THERMAL SPRAY; OXIDATION; FECRB;
D O I：
10.1007/s11003-010-9205-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study the high-temperature gas-abrasive wear resistance of electric-arc coatings sprayed from powder wires. It is shown that the wear resistance of these coatings increases with temperature. This is explained by the effect of strengthening of lamellae in the coating, segregation of the dispersed phases, and the appearance of aluminum and chromium oxides (characterized by high shock resistance) both on the surface and between the lamellae. These coatings can be used for the restoration and protection of the heat-exchange surfaces of boilers of thermal power plants, including the large-size waterwall tubes and the tubes of economizers.
引用
收藏
页码：481 / 489
页数：9
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