A simple method for the preparation of plasma-sprayable powders based on ZrO2

被引：7
|
作者：
Ramaswamy, P
Seetharamu, S
Varma, KBR
Rao, KJ
机构：
[1] INDIAN INST SCI,CTR MAT RES,BANGALORE 560012,KARNATAKA,INDIA
[2] CENT POWER RES INST,MAT TECHNOL DIV,BANGALORE 560094,KARNATAKA,INDIA
来源：
JOURNAL OF MATERIALS SCIENCE | 1996年 / 31卷 / 23期
关键词：
D O I：
10.1007/BF00354456
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Plasma-sprayable powders of calcia, magnesia and yttria-stabilized zirconia have been prepared by using polyvinyl alcohol binders. The powders have been characterized for sprayability by spray coating on steer plates previously coated with an NiAl bond coat. The suitability of these coatings for thermal barrier applications have been examined. Thermal barrier and related properties, along with phase stability and mechanical properties, have been found to be good. Failure of the thermal barrier coating has been observed to occur at the interface between the bond coat and the substrate, due to the formation of a pile-up layer consisting of Fe-Zr-Al-O compound.
引用
收藏
页码：6325 / 6332
页数：8
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