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Meeting Materials Science & Technology 2019
Symposium Processing and Performance of Materials Using Microwaves, Electric and Magnetic Fields, Ultrasound, Lasers, and Mechanical Work – Rustum Roy Symposium
Presentation Title Characterization of the Native Thin Oxide Layer of Copper Metal Powder Sintered via Microwaves
Author(s) Morsi Mohamed Mahmoud
On-Site Speaker (Planned) Morsi Mohamed Mahmoud
Abstract Scope The thin oxide layer (ceramic) that exists on the as-received metal powders under normal handling at ambient environmental conditions was experimentally proved to play an important role on the microwave sintering. The thickness of this native Cu oxide layer that form on the surface of Cu metal particles had been qualitatively and quantitatively characterized using Auger electron spectroscopy (AES) and dual-beam FIB-SEM system where the dual beam incorporates both a focused ion beam (FIB) and a scanning electron microscope (SEM) in one single system. An accurate and reliable experimental tool to quantify that thin oxide layer on the metal powder surfaces is of great interest because implanting these data on the core-shell particle theoretical model will enable a more accurate estimation of the microwave absorption and interaction of this metal powder. Quantitative characterization of that Cu oxide layer thickness was successfully utilized using the dual-beam FIB-SEM technique.
Proceedings Inclusion? Planned: At-meeting proceedings


Advanced In-Line Nanocrystallization of Amorphous Metal Ribbon (AMR) Alloys Through Mechanical and Electromagnetic Fields
An Irreversible Thermodynamic Perspective on Chemical Reaction Kinetics in Ceramic Processing under Resonant Microwave-fields
Characterization of the Native Thin Oxide Layer of Copper Metal Powder Sintered via Microwaves
Effect of Alternating Electromagnetic Field on Extracellular Polymeric Substances Derived from Biofilms And Its Mechanism
Effect of Pulsed Electric Current on Metastable Austenitic Steel
Effective Permittivity of Metal/Ceramic Composites and Microwave Heating Characteristics
Electric Current Annealing of Zircaloy Alloy and Associated Mechanisms
Electro-pulse and High Magnetic Field Annealing of Cold-Rolled NiFe
Exploration of Phase Transformations in alnico and its Implications for Magnetic Annealing
In-situ High Spatial Resolution Two-color Thermography in Micrwoave Selective Heating System
Locally Activated Solution Processing Would be Preferable Than General Hydrothermal/Solvothermal Processing Using Autoclaves
Magnetic Field-assisted Electrodeposition of Nickel Composite Coatings
Magnetic Field-Assisted Freeze Casting of Porous Ceramic Structures
Microwave Effects in Heterogenous Materials: A Study on Catalysis
Modeling Microstructural Evolution under Applied Magnetic Fields
P2-70: Characterization of Graphite-Si-SiC Ceamics Processed by Microwave Assisted Reactive Melt Infiltration
Proposal of Mining Method of Methane Hydrate by Microwave
Radio Frequency and Microwave Heating of Preceramic Polymers and its Application in Silicon Carbide Processing
Stage I Laser Flash Sintering
Surface-charge Mobility Theory: An Explanation for Certain "Microwave Effects"
Thermal Analysis of a High Temperature Coaxial Dielectric Test Cell
Ultrasonic and Vibration Enhanced Materials Processing
Vapor Dephosphorization Kinetics from Steel Making Slag by Microwave Rapid Heating

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