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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 In-situ High Spatial Resolution Two-color Thermography in Micrwoave Selective Heating System
Author(s) Jun Fukushima, Hirotsugu Takizawa
On-Site Speaker (Planned) Jun Fukushima
Abstract Scope MW selective heating is suggested to be occurred in microscale; however, it’s impossible to measure a thermal gradient quantitatively in microscale by a conventional method. In addition, by conventional thermography, we cannot measure the materials temperature with different emissivity at the same time. Thus, selective-heating effect at the microscale is not understood well enough. In this study, the authors verify the elective heating effect quantitatively using a high-resolution two-color thermography system. This system can measure the temperature on each pixel with ▒2% accuracy with 8.8 Ám/pixel. At first, preliminary experiment was conducted using the powder mixture of Al2O3 and carbon rod. The two-color thermography exhibited the heated area like rod-shape, which size was correspond to carbon rod. The temperature gradient between carbon rod and Al2O3 was more than 2000 ℃/mm. In the presentation, the author plans to talk about other selective heating process such as an ironmaking process.
Proceedings Inclusion? Planned: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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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