Abstract
Abstract For the first time orthorhombic mullite nanoparticles (12 nm) have been synthesized via the co-precipitation technique using mixture of sodium aluminate and sodium silicate solutions as monophasic salts at low annealing temperature 1000 °C. The AC and DC electrical properties of the sintered mullite ceramics were investigated. The results indicated the precursor directly transformed to 3:2 molar ratio orthorhombic mullite. Meanwhile, the surface area of the produced o-mullite at 1000 °C was 15.1 m 2 /g which increased to 37.3 m 2 /g with addition of CTAB as a cationic surfactant. TEM images investigated that the microstructure was changed from rod-like shape to roughly spherical shape with addition of surfactant. The DC electrical resistivity of mullite sample sintered at 1600 °C was 16 times greater than that sintered at 1300 °C. The minimum dielectric loss value of 0.014 was obtained at 1600 °C sintering temperature at 1.5 MHz.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
