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Extending and Enhancing the Properties of Porous Cordierite Ceramics by Mo6+ ion Incorporation via Facile Combined Synthesis Technique
Authors:Moustafa M. S. Sanad  Mohamed M. Rashad  El‐Sayed A. Abdel‐Aal  Mohamed F. El‐Shahat  Kevin W. Powers
Affiliation:1. Central Metallurgical R and D Institute, , Helwan, Cairo, Egypt;2. Particle Engineering Research Center, University of Florida, , Gainesville, FL, 32611;3. Faculty of Science, Ain Shams University, , Cairo, Egypt
Abstract:Molybdenum‐doped cordierite ceramics have been fabricated through facile combined techniques, coprecipitation followed by solid state. XRD results revealed that α‐cordierite phase is predominated with increasing Mo6+ ion content. The density measurements showed that the bulk density reduced to the minimum value of 0.61 g/cm3, which corresponds to the maximum porosity of about 76.8% at 5% Mo6+ ion. The dielectric permittivity (ε) of pure cordierite is decreased with increasing Mo6+ ion content. The minimum dielectric loss of Mo‐doped cordierite at 1 MHz was equal 0.008 with 10% Mo6+, while at 1 GHz was equal 0.03 with 5% Mo6+.
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