Search

Your search keyword '"final microstructure and mechanical properties"' showing total 3 results
Start Over Descriptor "final microstructure and mechanical properties"
3 results on '"final microstructure and mechanical properties"'

1. Shaping Microstructure and Mechanical Properties of High-Carbon Bainitic Steel in Hot-Rolling and Long-Term Low-Temperature Annealing

Author

Tomasz Dembiczak and Marcin Knapiński

Subjects
high-carbon bainitic steel, dynamic and post-dynamic softening, hot-rolling, final microstructure and mechanical properties, Technology, Electrical engineering. Electronics. Nuclear engineering, TK1-9971, Engineering (General). Civil engineering (General), TA1-2040, Microscopy, QH201-278.5, Descriptive and experimental mechanics, QC120-168.85
Abstract

Based on the research results, coefficients in constitutive equations, describing the kinetics of dynamic, meta-dynamic, and static recrystallization in high-carbon bainitic steel during hot deformation were determined. The developed mathematical model takes into account the dependence of the changing kinetics in the structural size of the preliminary austenite grains, the value of strain, strain rate, temperature, and time. Physical simulations were carried out on rectangular specimens. Compression tests with a flat state of deformation were carried out using a Gleeble 3800. Based on dilatometric studies, coefficients were determined in constitutive equations, describing the grain growth of the austenite of high-carbon bainite steel under isothermal annealing conditions. The aim of the research was to verify the developed mathematical models in semi-industrial conditions during the hot-rolling process of high-carbon bainite steel. Analysis of the semi-industrial studies of the hot-rolling and long-term annealing process confirmed the correctness of the predicted mathematical models describing the microstructure evolution.

Published
2021
Full Text
View/download PDF

2. Hot Deformation and Microstructure Evolution of Metallic Materials.

Author

Schindler, Ivo and Schindler, Ivo

Subjects
History of engineering & technology, Materials science, Technology: general issues, 47Zr-45Ti-5Al-3V alloy, Al-Cu alloys, Al6061, Barkhausen noise, CA, CCT diagram, DRX behavior, FE, FEM, FEM modelling, KoBo extrusion, LPSO phase, Mg-6.8Y-2.5Zn-0.4Zr, Nb-Mo-microalloyed steels, PSCT, SEM-EBSD microstructural analysis, activation energy at hot forming, activation energy maps, aircraft mounts, aluminium, aluminium alloys, aluminum alloy, artificial neural networks, austenite conditioning, austenite grain size, austenite to ferrite transformation, austenitization temperature, bonding strength, brake disk, car bodies, carbon steels, cellular automaton, closure of discontinuities, compression, constitutive equations, constitutive model, critical strain for induce of dynamic recrystallization, deformation, deformation characteristics, deformation mechanism, dynamic and post-dynamic softening, dynamic recrystallisation, dynamic recrystallization, extrusion, ferrite grain size, final microstructure and mechanical properties, finite element method (FEM), flat anvils, flow behavior, flow curve, flow stress maps, flow stress model, forging, forging metal specimens, forming, hammer forging, hidden defects, high-carbon bainitic steel, hot deformation behavior, hot flow stress curves, hot rolling, hot-rolling, hot-working, industrial research, low carbon and low alloy steel, low-alloy steel, magnesium alloy AZ91, magnesium alloys, mechanical properties, meshless methods, metal matrix composite, microstructure, microstructure and superplastic deformation, microstructure evolution, multipass torsion tests, n/a, open die forging, peak flow stress, peak strain, phase transformations, physical modeling, physical modelling, plastic deformation, plastometric tests, processing map, processing maps, radial basis functions, recrystallization, rheological properties, semi-solid isothermal compression, shaped anvils, static recrystallization, steel, strain-induced precipitation, stress correction, structure, super-duplex stainless steel (SDSS), tensile deformation, texture, thermal stability, thermomechanical processing, twin-roll casting, ultrasonic investigation, warm deformation, β titanium alloy
Abstract

Summary: Hot deformation is a key method of processing metallic materials and controlling their final properties through structure-forming processes. The ability to exploit the structural potentiality of both traditional alloys and new progressive materials is crucial in terms of sustainable development and economic growth. This reprint focuses not only on conventional technologies (e.g., rolling or forging) but also on modern procedures, such as various types of complex thermomechanical processing and controlled cooling. Most papers are based on the application of advanced hot deformation simulators and structural analysis methods, as well as computer simulations of bulk-forming processes.

3. Shaping Microstructure and Mechanical Properties of High-Carbon Bainitic Steel in Hot-Rolling and Long-Term Low-Temperature Annealing.

Author

Dembiczak, Tomasz and Knapiński, Marcin

Subjects
*BAINITIC steel, *MICROSTRUCTURE, *STRAIN rate, *BAINITE, *MATHEMATICAL models
Abstract

Based on the research results, coefficients in constitutive equations, describing the kinetics of dynamic, meta-dynamic, and static recrystallization in high-carbon bainitic steel during hot deformation were determined. The developed mathematical model takes into account the dependence of the changing kinetics in the structural size of the preliminary austenite grains, the value of strain, strain rate, temperature, and time. Physical simulations were carried out on rectangular specimens. Compression tests with a flat state of deformation were carried out using a Gleeble 3800. Based on dilatometric studies, coefficients were determined in constitutive equations, describing the grain growth of the austenite of high-carbon bainite steel under isothermal annealing conditions. The aim of the research was to verify the developed mathematical models in semi-industrial conditions during the hot-rolling process of high-carbon bainite steel. Analysis of the semi-industrial studies of the hot-rolling and long-term annealing process confirmed the correctness of the predicted mathematical models describing the microstructure evolution. [ABSTRACT FROM AUTHOR]

Published
2021
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results