A new high temperature resistant glass-ceramic coating material

被引：0
|
作者：
Chen, Xiangtian
Han, Ye
Yao, Shuyu
Zhang, Weiwei
Yao, Yunsui
Wang, Zongfeng
机构：
来源：
ARCHITECTURE AND BUILDING MATERIALS, PTS 1 AND 2 | 2011年 / 99-100卷
关键词：
Glass-Ceramic; Coating Material; Hardness; High Temperature Resistance;
D O I：
10.4028/www.scientific.net/AMM99-100.810
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A new glass-ceramic coating material on nickel based super alloy substrate had been found, the glass-ceramic coating material was developed from a glass based on MgO-Al2O3-TiO2 system. The coating material was characterized through X-ray diffractometry (XRD), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), hardness, thermal expansion coefficient testing. XRD analysis of the coating materials and the resultant coatings showed presence of a number of microcrystalline phases. SEM micrographs indicated microstructure of the material. Optical micrographs showed smooth glossy impervious free surface with defects. Hardness analysis showed the glass-ceramic coating material had higher microhardness. The thermal expansion coefficient of the nimonic alloy was much higher compared to the coating material at specific temperature.
引用
收藏
页码：810 / 814
页数：5
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