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Meeting Materials Science & Technology 2020
Symposium Multiscale Modeling of Microstructure Deformation in Material Processing
Presentation Title The Research Thermoplastic Deformation Modes of Dual-phase Special Alloys for Obtaining Rational Intermetallic Structure
Author(s) Borys Petrovich Sereda, Dmytro Sereda, Yuriy Belokon
On-Site Speaker (Planned) Borys Petrovich Sereda
Abstract Scope The purpose of this work is to investigate the structure formation in intermetallic γ-TiAl alloys by using a complex plastic deformation technology under non-stationary temperature conditions with niobium doping. Mathematical model aimed at obtaining γ-TiAl alloys with a given structure and properties is proposed and implemented, based on the use of data on the features of the physical modeling of the SHS-pressing process. For a mathematical description of the process of extrusion of a high-temperature synthesis product, it is necessary to determine a system of equations that takes into account the distribution of the thermo-kinetic and rheological properties of the synthesis product in a mold and caliber. High-temperature synthesis of intermetallic compound γ-TiAl in a powder mixture of pure elements in the conditions of SHS-pressing allows to obtain an intermetallic alloy with an average grain size of ~ 30 microns.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Development of the Coupled Cellular Automata/Finite Difference Model of Phase Transformation during Continuous Cooling
Modeling Mechanical Response of Microtextured Regions in Hexagonal Metals
Multiscale Approach to Model Deformation Behavior of Multilayered Sheets Produced by Explosive Cladding
The Research Thermoplastic Deformation Modes of Dual-phase Special Alloys for Obtaining Rational Intermetallic Structure

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