Protective Coatings Based on ZrO2-Y2O3 and Al2O3-TiO2 Systems with Modifying Additives on CCCM

被引：2
|
作者：
Sinitsyn, D. Yu. [1 ]
Anikin, V. N. [1 ]
Eremin, S. A. [1 ]
Yudin, A. G. [1 ]
机构：
[1] Natl Univ Sci & Technol MISiS, Moscow, Russia
来源：
REFRACTORIES AND INDUSTRIAL CERAMICS | 2017年 / 58卷 / 02期
关键词：
atmospheric plasma spraying; carbon-carbon composite material (CCCM); heat resistance; ion-plasma spraying;
D O I：
10.1007/s11148-017-0080-5
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The deposition of heat-resistant coatings on carbon-carbon composite material substrates with a previously deposited ZrN barrier layer and a NiCoCrAlY sublayer was carried out. The application of the barrier layer and the sublayer was carried out by ion-plasma spraying, and the deposition of heat-resistant coatings was carried out by atmospheric-plasma spraying in an argon flow. Samples were obtained with coatings of four compositions: 1 - ZrO2 + 8% Y2O3, 2 - 20% (ZrO2 + 8% Y2O3) + 80% MoSi2, 3 - 10% (ZrO2 + 8% Y2O3) + 90% MoSi2, 4 - Al2O3 + TiO2 + modifying agent. The samples were tested for heat resistance in a flow of an oxygen-acetylene burner at 2100A degrees C for 20 sec. The sample with the heat-resistant coating of composition 1 did not withstand the tests, samples with heat-resistant coatings of compositions 2 - 4 showed excellent results even after several test cycles.
引用
收藏
页码：194 / 201
页数：8
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