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Meeting MS&T23: Materials Science & Technology
Symposium Processing and Performance of Materials Using Microwaves, Electric and Magnetic Fields, Ultrasound, Lasers, and Mechanical Work – Rustum Roy Symposium
Presentation Title Microwave Synthesis of Cobalt Ferrite-reduced Graphene Oxide Composites
Author(s) Soban Afzal, Morsi Mohamed Mahmoud, Tawfik Salaeh
On-Site Speaker (Planned) Morsi Mohamed Mahmoud
Abstract Scope Cobalt ferrite has remarkable electro-magnetic properties, high chemical and thermal stability, and broad technological applications while graphene and its hybrid materials have impressive mechanical, thermal, and electrical properties coupled with extraordinarily increased specific surface area and low density. In this study, reduced graphene oxide (rGO)/cobalt ferrite composites were prepared via polyol co-precipitation method using two different routes: conventional and microwave heating. Both materials, Cobalt nitrate and ferric chloride, were used as the starting materials were mixed with pre-determined amount of graphene content to obtain different samples compositions ranging from 0wt.% to 30wt.% of rGO. Diethylene glycol acted as a high boiling point solvent and a reducing agent. The prepared samples were characterized via SEM, TEM, XRD FTIR and VSM. Samples showed improved purity, properties and crystallinity with microwave heating as compared to the conventional heating procedure. Magnetic properties were found to be tunable depending upon graphene content and synthesis method.


Effects of Heat Treatment under External Magnetic Field on Microstructure and Mechanical Properties of Ferritic/Martensitic Steels
Effects on Aluminum Alloys During Heat Treatment in a Magnetic Field
High-speed Synchrotron X-ray Imaging of Microstructural Refinement Mechanisms During Ultrasonic Melt Processing in Metal Additive Manufacturing
Inhibition of Biofilm Formation on Glass Specimens when Subjected to AC Electromagnetic Fields of 20 kHz to 30 kHz
Microstructure Evolution and Property Enhancement of 3D-printed Graphene via Cold Rolling
Microwave Sintering for Lunar Base Construction
Microwave Synthesis of Cobalt Ferrite-reduced Graphene Oxide Composites
N-6: Improving Reliability of Ultrasonic Fatigue Testing through Comparative Analysis of Conventional and Ultrasonic Fatigue Tests on SS400 Material
N-7: Research on Green Laser Welding Process and Monitoring Technologies for Manufacturing Parts of Electric Vehicles
Post-processing of Irradiated FeCrAl by Electron Wind Force
Reviewing a Unified Phenomenological Comprehension on Non-thermal Effects in Microwave-assisted Materials Processing
The Role and Characterization of the Native Oxide Shell of Copper Metal Powder Spherical Particles During High Frequency Microwave Processing
Ultrasonic Vibration Acoustic Softening Effect on AISI 1018 Low-Carbon Steel

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