Papers

Modelling the hardenability and tempering of high strength steels

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Modelling the hardenability and tempering of high strength steels Johan Eliasson1, Tadeusz Siwecki1, Björn Rodell2 1Corrosion and Metals Research Institute, KIMAB Drottning Kristinas väg 48, S-114 28 Stockholm, Sweden. 2SSAB Oxelösund AB, Sweden. DOI: https://doi.org/10.7494/cmms.2007.1.0120 Abstract: The aim of the present work was to develop hardenability and tempering models for various quenching and tempering treatments … Read more

Modelling of brittle damage nucleation by means of ca

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Modelling of brittle damage nucleation by means of ca Krzysztof Nowak Cracow University of Technology, ul. Warszawska 24, 31-155 Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2007.1.0136 Abstract: The description of damage nucleation in metals subjected to creep conditions, on the level of material structure, is proposed. In classical approach of mechanics it is achieved by introducing scalar (or … Read more

Computer processing of results of the wedge rolling test

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Computer processing of results of the wedge rolling test Tomáš Kubina1, Ivo Schindler1, Petra Turoňová1, Milan Heger1, Jiří Franz2, Miroslav Liška3, Marek Hlisníkovský4 1VŠB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, 17. listopadu 15, 708 33 Ostrava, Czech Republic. 2AutoCont CZ a.s., Nemocniční 12, 702 00 Ostrava, Czech Republic. 3VÍTKOVICE – … Read more

Multi-scale fem simulation of the drawing process

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Multi-scale fem simulation of the drawing process Andriy Milenin1, Zbigniew Muskalski2 1AGH University of Science and Technology, Al. Mickiewicza 30, 30-059, Kraków, Poland.. 2Czestochowa University of Technology, Al. Armii Krajowej 19, 42-200, Czestochowa, Poland. DOI: https://doi.org/10.7494/cmms.2007.1.0137 Abstract: In this paper the wire drawing process is investigated in two levels. They are a steady-state solution using … Read more

Application of qform forging simulation system for prediction of microstructure of aluminum forged parts

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Application of qform forging simulation system for prediction of microstructure of aluminum forged parts Sergei Stebunov1, Nikolay Biba1, Alexei Ovchinnikov2, Vitalyi Smelev3 1QuantorForm Ltd., Moscow, Russia. 2Moscow Air Technology University, Moscow, Russia. 3Stupino Metallurgical Company, Moscow region, Russia. DOI: https://doi.org/10.7494/cmms.2007.1.0122 Abstract: The development of numerical simulation of technological processes such as forging and heat treatment … Read more

Possibilities to include in numerical simulation stochastic and discontinuous phenomena occurring in material

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Possibilities to include in numerical simulation stochastic and discontinuous phenomena occurring in material Lukasz Made1, Henryk Pau2, Peter D. Hodgso3, Maciej Pietrzy1 1Department of Modeling and Information Technology, Akademia Gorniczo Hutnicza, 30-059, Krakow, Poland. 2Laboratory of Plastic Deformation of Metals, Polish Academy of Science PAN, 30-059, Krakow, Poland. 3Centre for Material and Fiber Innovation, Deakin … Read more

Simulation of phase transportations in the field of internal stresses

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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

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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

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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

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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