Numerical simulation

Identification of cast steel latent heat on a basis of thermal and differential analysis

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Identification of cast steel latent heat on a basis of thermal and differential analysis Ewa Majchrzak, Jerzy Mendakiewicz Silesian University of Technology, Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2009.2.0230 Abstract: Thermal and differential analysis (TDA) constitutes a very popular and effective tool of quantitative estimation of so- lidification process parameters, such as border temperatures, evolution of latent heat … Read more

Finite difference model of short-pulse laser interactions with thin metal film

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Finite difference model of short-pulse laser interactions with thin metal film Ewa Majchrzak1, Bohdan Mochnacki2, Józef S. Suchy3 1Silesian University of Technology, Gliwice, Poland. 2Czestochowa University of Technology, Czestochowa, Poland. 3AGH, University of Science and Technology, Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2009.2.0248 Abstract: Thermal processes in a thin metal film subjected to a short-pulse laser heating are … Read more

Computer aided design of manufacturing technology for copper-chromium alloys

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Computer aided design of manufacturing technology for copper-chromium alloys Jarosław Nowak1, Stanisław Węglarczyk1, Roman Kuziak2, Krzysztof Drozdowski3, Maciej Pietrzyk1 1AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland. 2Institute for Ferrous Metallurgy, ul. K. Miarki 12, 44-100 Gliwice, Poland. 3Zakład Obróbki Plastycznej, ul. Kuźnicza 13, 21-045 Świdnik k/Lublina, Poland. DOI: https://doi.org/10.7494/cmms.2008.4.0258 Abstract: … Read more

Online visioplasticity in forging processes

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Online visioplasticity in forging processes Matthias Schmidtchen, Anja Brethfeld, Gunter Lehmann Technical University of Mining and Technology, Institute for Metal Forming, D- 09596 Freiberg,,Bernhard-von-Cotta-Straße 4, Germany. DOI: https://doi.org/10.7494/cmms.2007.4.0178 Abstract: In the present paper a contactless optical method for visioplastic investigation of the displacement and strain field in hammer forging was discussed. Coupled with thermographic measurements … Read more

Discrete element modelling of rock cutting

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Discrete element modelling of rock cutting Jerzy Rojek Institute of Fundamental Technological Research,Swietokrzyska 21, 00-049 Warszawa, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0147 Abstract: The present paper presents modelling of rock cutting processes using the discrete element method. Numerical algorithm of the discrete element method employing cylindrical and spherical elements has been implemented and numerical simulation of rock cutting … Read more

Application of physical and mathematical modelling to analysis of different forging processes of constant velocity joint body

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Application of physical and mathematical modelling to analysis of different forging processes of constant velocity joint body Zbigniew Gronostajski1, Marek Hawryluk1, Karol Jaśkiewicz1, Adam Niechajowicz1, Sławomir Polak1, Sławomir Walczak2, Andrzej Woźniak2 1Wrocław University of Technology, Department of Plastic Forming Process Engineering, ul. Łukasiewicza 3/5, 50 371 Wrocław, Poland.2GKN Automotive, ul. Południowa 5, 56 400 Oleśnica. … Read more

Mathematical modeling of structure and mechanical properties of steel tubes production

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Mathematical modeling of structure and mechanical properties of steel tubes production Tibor Kvačkaj, Michal Zemko Department of Metal Forming, Faculty of Metallurgy, TU of Košice, Slovakia. DOI: https://doi.org/10.7494/cmms.2007.1.0133 Abstract: The article deals with FEM analysis, with mathematical modeling of structure evolution and with prediction of mechanical properties during hot rolling of seamless steel tubes. There … 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

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

Numerical modelling of constrained groove pressing with deform 3d software

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Numerical modelling of constrained groove pressing with deform 3d software Dušan Kešner1, Petr Fišer1, Jaroslav Drnek1, Jozef Zrník1,2, Miroslav Cieslar3, Zbyšek Novy1 1Comtes FHT Ltd., Lobezská E987, 326 00 Plzeň, Czech Republic. 2University of West Bohemia, Univerzitní 22, 306 14 Plzeň, Czech Republic. 3Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16 … Read more