Effect of gadolinium doping on phase transformation and microstructure of Gd2O3-Y2O3-ZrO2 composite coatings prepared by electrophoretic deposition

4 mol.% Y2O3 stabilized ZrO2 (YSZ) doped with various quantities of Gd2O3 (G-YSZ) ceramic coatings were synthesized by electrophoretic deposition method, and followed by vacuum sintering and isothermally annealing at 1000 °C for different durations. X-ray diffraction (XRD) was used to investigate th...

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Bibliographic Details
Published in:Journal of rare earths 2013-03, Vol.31 (3), p.289-295
Main Authors: WANG, Wei, LI, Chunling, LI, Jia, FAN, Jinghui, ZHOU, Xiying
Format: Article
Language:English
Subjects:
Annealing
Composite coatings
Electrophoretic deposition
Gd2O3
Microstructure
phase structure
Rare earth metals
rare earths
Vacuum sintering
Yttria stabilized zirconia
Zirconium dioxide
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Summary:4 mol.% Y2O3 stabilized ZrO2 (YSZ) doped with various quantities of Gd2O3 (G-YSZ) ceramic coatings were synthesized by electrophoretic deposition method, and followed by vacuum sintering and isothermally annealing at 1000 °C for different durations. X-ray diffraction (XRD) was used to investigate their phase composition. Scanning electron microscopy (SEM) was employed to examine their microstructure, while energy dispersive X-ray spectrometer (EDS) was used to assess composition of the composite coatings. The results indicated that YSZ coating was composed of tetragonal and monoclinic phase after vacuum sintering at 1000 °C for 2 h under vacuum (
ISSN:1002-0721
2509-4963
DOI:10.1016/S1002-0721(12)60274-9