Affiliation:
1. Huazhong University of Science and Technology
2. Wuhan University of Science and Technology
Abstract
As the ceramic substrate materials in automobile oxygen sensor, 5YSZ/Al2O3matrix composite ceramic with different amount of silica are prepared by ball-milling,tape casting and sintering.They are investigated for their microstructure and mechanical properties.The microstructure of the sample is analyzed by Scanning Electron Microscopy (SEM) and Energy Dispersive X-Ray Spectroscopy (EDX).Fracture strength is measured by ring-on-ring method. It is found that adding 1 wt.% SiO2into 5YSZ/Al2O3matrix can improve the strength of composite ceramics.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
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