Simulation of phase transportations in the field of internal stresses

Simulation of phase transportations in the field of internal stresses Nikolay M. Vlasov, Ivan I. Fedik Scientific Research Institute Scientific Industrial Association “Luch”,,Zheleznodorozhnaya, 24, Podolsk, Moscow region Russia 142100. DOI: https://doi.org/10.7494/cmms.2007.1.0123 Abstract: The main types of the internal stresses are the thermal and residual ones and fields of structural defects as well. These stresses have … Read more

Some aspects which deny a use of 2d cellular automata for modeling of recrystallization

Some aspects which deny a use of 2d cellular automata for modeling of recrystallization Dmitry S. Svyetlichnyy AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science,. DOI: https://doi.org/10.7494/cmms.2007.1.0139 Abstract: The main reason why the two-dimensional cellular automata (2D CA) are preferred to the three-dimensional (3D) ones is time of calculations. … Read more

Application of the microstructure development model to the multiscale fem simulation of metal forming processes

Application of the microstructure development model to the multiscale fem simulation of metal forming processes Andrzej Żmudzki, Jarosław Nowak AGH-University of Science and Technology,Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2007.1.0124 Abstract: Models of recrystallization and grain growth mechanisms in hot forming processes are rarely implemented in the commercial finite element codes. However, most of the … Read more

Problem of the artificial anisotropy in solidification modeling by cellular automata method

Problem of the artificial anisotropy in solidification modeling by cellular automata method Andriy Burbelko, Wojciech Kapturkiewicz, Daniel Gurgul AGH University of Science and Technology, Reymonta 23, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2007.1.0140 Abstract: Modeling of the dendritic growth by a cellular automaton (CA) can take into account the temperature of the thermodynamic equilibrium as a function … Read more

Modelling of formation of stock surface and subsurface layers in breakdown rolling of aluminium alloy

Modelling of formation of stock surface and subsurface layers in breakdown rolling of aluminium alloy Michal Krzyzanowski1, Michael F. Frolish1, W. Mark Rainforth1, John H. Beynon2 1Institute for Microstructural and Mechanical Process Engineering, The University of Sheffield S1 3JD, UK. 2Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, Hawthorn, VIC 3122, Australia. DOI: … Read more

Modelling of the kinetics of mx-type carbides precipitation process in low – carbon bainitic steels

Modelling of the kinetics of mx-type carbides precipitation process in low – carbon bainitic steels Roman Kuziak, Valery Pidvysotskyy Instytut Metalurgii Żelaza im. St. Staszica, K. Miarki Street 12, 44-100 Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2007.1.0164 Abstract: The paper focuses on the modelling of MX-type carbides precipitation processes in low-carbon precipitation strengthend bainitic steels. The precipitation of … Read more

On partial hydrodynamic lubrication effects in the journal bearings

On partial hydrodynamic lubrication effects in the journal bearings Tomasz Szolc, Włodzimierz Sosnowski Institute of Fundamental Technological Resrearch of the Polish Academy of Sciences 00-049 Warsaw, ul. Świętokrzyska 21. DOI: https://doi.org/10.7494/cmms.2007.1.0126 Abstract: The objective of this research is to include mixed friction effects into existing models of hydrodynamic journal bearings. The considerations in this paper … Read more

Influence of micro asperity-valley on the surface of forging tools on tribological conditions

Influence of micro asperity-valley on the surface of forging tools on tribological conditions Hiroyuki Saiki, Yasuo Marumo, Liqun Ruan, Junpei Kozasa Department of Mechanical System Engineering, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan. DOI: https://doi.org/10.7494/cmms.2007.1.0127 Abstract: The relationship between apparent coefficient of friction, surface roughness and the yield stress … Read more

Generalized approach to the choice of lubricant for hot isothermal forging of aluminium alloys

Generalized approach to the choice of lubricant for hot isothermal forging of aluminium alloys Pavel A. Petrov Moscow State Technical University “MAMI. DOI: https://doi.org/10.7494/cmms.2007.1.0128 Abstract: The present paper is a generalization of the results which were obtained for the last four years (Petrov et al., 2003, 2004, 2005, 2006). It implies the investigations of interfacial … Read more

Simulation of dynamic recrystallization using random grid cellular automata

Simulation of dynamic recrystallization using random grid cellular automata Nima Yazdipour1, Christopher H.J.Davies2, Peter Damian Hodgson1 1Center of Material and Fibre Innovation (CMFI), Deakin University, Geelong, Victoria 3217, Australia. 2School of Physics and Materials Engineering, Monash University, Victoria 3800, Australia. DOI: https://doi.org/10.7494/cmms.2007.1.0112 Abstract: Computer simulation is a powerful tool to predict microstructure and its evolution … Read more