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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 Effect of Pulsed Electric Current on Metastable Austenitic Steel
Author(s) Hye-Jin Jeong, Ju-Won Park, Howook Choi, Moon-Jo Kim, Sung-Tae Hong, Heung Nam Han
On-Site Speaker (Planned) Hye-Jin Jeong
Abstract Scope Electrically-assisted Manufacturing (EAM) is a newly emerging metal processing technology since it can obtain properties or formability of metals, which cannot be achieved with traditional thermomechanical processes, by applying electric current. Moreover, since the EAM capable of rapid heating can be applied to various processes without any large area or line change in existing processes, it can significantly improve process efficiency. In this study, the tensile deformation behavior of 301L stainless steel containing metastable austenite under pulsed electric current was investigated. The relationship between the mechanically induced martensitic transformation (MIMT) of metastable austenite and pulsed electric current was analyzed by using an X-ray diffractometer (XRD) and a field emission gun scanning electron microscope (FE-SEM) equipped with an electron backscatter diffraction (EBSD). We discussed in detail the effect of pulsed electric current on the elongation in relation to MIMT, reverse transformation and electric current-induced annealing.
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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