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Meeting Materials Science & Technology 2020
Symposium Metallurgy and Magnetism
Presentation Title Improvement of the Magnetic Characteristics of Materials Due to the Formation of Unidirectional Boundaries of Ferrite during Processing in SHS Conditions
Author(s) Borys Petrovich Sereda, Dmytro Sereda, Vitalyy Volokh
On-Site Speaker (Planned) Borys Petrovich Sereda
Abstract Scope To improve the magnetic characteristics of armco-iron, such as magnetic permeability and coercive force, samples were processed in conditions of self-propagating high-temperature synthesis. Heating was carried out to a temperature of 900 C, followed by isothermal holding and cooling at various speeds. The study of the microstructure of samples with a carbon content of up to 0.015% showed that grain boundaries are formed, which are divided into three unidirectional sections. Areas are established where both ends of the boundary enter triple joints with opposite angles exceeding 170 or quadruple joints are observed. Due to the non-stationary stage of the SHS process, a fine-grained structure is formed, which leads to an increase in the coercive force from 0.97 A / cm to 1.65 A / cm and, accordingly, to an increase in hardness from 95 to 157 HB.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Comparative Studies on the Structure and Magnetic Properties of Mechanically Alloyed Fe40Co30Ni30 Medium-entropy Alloy in Argon and Ambient Atmospheres
Development of FeCo/MnZn Ferrite Composite by Field Assisted Sintering Technique
Effects of Steel Sensitization on Magnetic Properties Measured through MOKE Magnetometry
Exchange Coupled Ferromagnetism in Nanochessboards Obtained By Eutectoid Decomposition in the Co-Pt and Fe-Pt Systems
Improvement of the Magnetic Characteristics of Materials Due to the Formation of Unidirectional Boundaries of Ferrite during Processing in SHS Conditions
Introductory Comments: Metallurgy and Magnetism
Magnetic Performance of Gas-atomized Maraging Steel Powders
Microstructural Development and Mechanical Property Changes Due to Temper Embrittlement in HY-80 Submarine Steel
Modeling the Magnetostructural Interactions in Austenitic Steels at the Quantum Mechanical Level
Processing of Fe-Co Alloys: Past and Present
Processing of Vitreous Fe-based Wires into Nanostructured Soft Magnetic Material
Rapid Thermal Processing of Amorphous and Nanocrystalline Soft Magnetic Alloys
The Effect of Deformation of Low Alloy Steels Used in Metallurgy on Their Magnetic Characteristics
The Influence of the Microstructure Obtained After Processing in SHS Conditions on the Magnetic Characteristics of Steels

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