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Detailed Program
Paper Number : EF-I05 |
Time Frame : 16:55~17:20 |
Presentation Date : Friday, 28, November |
Session Name : Electric Field Assisted Sintering |
Session Chair 1# : Young-Hwan Han |
Session Chair 2# : Koji Morita |
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Spark plasma sintering temperature effects on the microstructure and magnetic properties of carbon nanotube/NiZn ferrite composites |
Xiaobing Zhou |
Ningbo Institute of Materials Technology and Engineering |
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Carbon nanotube (CNT)-Ni0.5Zn0.5Fe2O4 composites were synthesized by precipitation-hydrothermal method, and then fabricated by Spark Plasma Sintering (SPS) technique at different temperature. The microstructure and magnetic properties of carbon nanotube/NiZn ferrite composites were investigated by X-Ray Diffraction (XRD), Scanning Electron Microscope (SEM) and physical properties measurement system (PPMS). The results shown that the grain size and saturation magnetization of the carbon nanotube/NiZn ferrite composites were strongly dependent on the SPS temperature. Both the grain size and saturation magnetization increased with the SPS temperature increasing. Ni nanoparticles could be formed by the carbothermal reduction between CNTs and Ni0.5Zn0.5Fe2O4, and the mass of Ni nanoparticles increased with the SPS temperature increasing. |
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