Optimizing sol–gel synthesis of magnesia-stabilized zirconia (MSZ) nanoparticles using Taguchi robust design for thermal barrier coatings (TBCs) applications

Nanocrystalline magnesia-stabilized zirconia powders have been synthesized using Pechini method and Taguchi experiment design. In the present research work, Taguchi method was applied to investigate the effect of citric acid to ethylene glycol mole ratio (CA/EG), citric acid to transition metal mole...

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Bibliographic Details
Published in:Journal of sol-gel science and technology 2015-01, Vol.73 (1), p.227-241
Main Authors: Hajizadeh-Oghaz, Morteza, Shoja Razavi, Reza, Khajelakzay, Mohammad
Format: Article
Language:English
Subjects:
Ceramics
Chemistry and Materials Science
Citric acid
Composites
Design of experiments
Differential thermal analysis
Differential thermogravimetric analysis
Electron microscopes
Emission analysis
Ethylene glycol
Field emission
Field emission microscopy
Glass
Inorganic Chemistry
Materials Science
Moles
Nanoparticles
Nanotechnology
Natural Materials
Optical and Electronic Materials
Optimization
Original Paper
Particle size
Particle size distribution
Raman spectroscopy
Robust design
Scanning electron microscopy
Sol gel process
Sol-gel processes
Taguchi methods
Thermal barrier coatings
Thermogravimetric analysis
Transition metals
Transmission electron microscopy
X-ray diffraction
Zirconium dioxide
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Summary:Nanocrystalline magnesia-stabilized zirconia powders have been synthesized using Pechini method and Taguchi experiment design. In the present research work, Taguchi method was applied to investigate the effect of citric acid to ethylene glycol mole ratio (CA/EG), citric acid to transition metal mole ratio (CA/TM), calcination temperature and time on particle size. CA/EG and CA/TM were determined to be the main parameters controlling particle size of magnesia-stabilized zirconia powders. Under optimum conditions, a verification experiment was carried out, and the average primary particle size of magnesia-stabilized zirconia powders was found to be 5.6 nm with homogeneous particle size distribution. Contribution percentage of each manageable factor was also determined. Furthermore, characterization of optimum sample was accomplished by means of thermogravimetric analysis, differential thermal analysis, X-ray diffraction, transmission electron microscopy, field emission scanning electron microscope and Raman spectroscopy.
ISSN:0928-0707
1573-4846
DOI:10.1007/s10971-014-3521-3