cmms

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

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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

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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

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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

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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

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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

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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

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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

Convection of internal variable methodology in computational fluid dynamics solutions for thixoforming modelling

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Convection of internal variable methodology in computational fluid dynamics solutions for thixoforming modelling Piotr Macioł Interdisciplinary Centre for Materials Modelling, AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2007.1.0129 Abstract: Thixoforming is a relatively new forming method, with high deformation of semi-solid material. From numerical point of view, such materials are difficult to simulate because of … Read more

Hot forming and heat treatment simulation in a steel mill

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Hot forming and heat treatment simulation in a steel mill Christian Redl1, Baohui Tian1, Volker Wieser1, Christof Sommitsch2, Thomas Wlanis2 1Böhler Edelstahl GmbH, 8605 Kapfenberg, Austria. 2Christian-Doppler-Laboratory for Materials Modelling and Simulation, 8700 Leoben, Austria. DOI: https://doi.org/10.7494/cmms.2007.1.0113 Abstract: Numerical simulation is nowadays becoming a standard tool in industrial processes. This paper provides an insight about … Read more

Effect of capillary tip shape on deformation and bondability in Au wire bonding

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Effect of capillary tip shape on deformation and bondability in Au wire bonding Hiroyuki Saiki1, Yasuo Marumo1a, Hiroshi Nishitake2, Tetsuhiro Uemura1, Takahiro Yotsumoto2 1Department of Mechanical System Engineering, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555 Japan. 2a Sony Semiconductor Kyushu Co. Ltd., Japan. DOI: https://doi.org/10.7494/cmms.2007.1.0130 Abstract: Au wire bonding is … Read more