Papers

Mechanical and metallurgical properties of titanium alloy friction stir welded butt joints

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Mechanical and metallurgical properties of titanium alloy friction stir welded butt joints Livan Fratini, Gianluca Buffa Dipartimento di Ingegneria Industriale,Università di Palermo Viale delle Scienze. DOI: https://doi.org/10.7494/cmms.2011.1.0329 Abstract: Friction Stir Welding (FSW) is a solid state welding process patented in 1991 by TWI, initially adopted to weld aluminum alloys, is now being successfully used also … Read more

Discrete element simulation of powder sintering

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Discrete element simulation of powder sintering Jerzy Rojek1, Katarzyna Pietrzak1,2, Marcin Chmielewski2, Dariusz Kaliński2, Szymon Nosewicz1 1Institute of Fundamental Technological Research, Polish Academy of Sciences ul. Pawińskiego 5B, 02-106 Warszawa.2Institute of Electronic Materials Technology ul. Wólczyńska 133, 01-919 Warszawa. DOI: https://doi.org/10.7494/cmms.2011.1.0314 Abstract: This paper presents numerical modelling of powder sintering. The numerical model introduced in … Read more

Numerical model of a tig welding process for the aviation industry, including analysis of the heat transfer

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Numerical model of a tig welding process for the aviation industry, including analysis of the heat transfer Andrzej Kuźniar1, Paweł Rygiel1, Stanisław Dudek1, Antoni Gnot1, Tadeusz Gancarczyk1, Konrad Perzyński2 1“WSK “”PZL – Rzeszów”” S.A., ul. Hetmańska 120, 35-078 Rzeszów, Poland”.2Department of Applied Computer Science and Modeling, Akademia Górniczo-Hutnicza, al. Mickiewicza 30, 30-059, Kraków, Poland. DOI: … Read more

Computer modeling of pneumatic formation of superthin fibres

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Computer modeling of pneumatic formation of superthin fibres Leszek Jarecki, Slawomir Blonski, Andrzej Zachara, Anna Blim Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawinskiego 5B, 02-106 Warsaw, Poland. DOI: https://doi.org/10.7494/cmms.2011.1.0315 Abstract: Dynamics of a novel pneumatic process of superthin fibres formation from polymer melts in supersonic air jets in the Laval nozzle is … Read more

Model of convective heat transfer in keyhole mode laser welding

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Model of convective heat transfer in keyhole mode laser welding Aleksander Siwek, Jacek Rońda, Krzysztof Banaś AGH University of Science and Technology, Faculty of Metals Engineering and. DOI: https://doi.org/10.7494/cmms.2011.1.0331 Abstract: Article applies a model of welding with high-power laser beam. As a result of heating the material in the area of a laser beam creates … Read more

The MLPG analysis of crack problems in magnetoelectroelastic solids

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The MLPG analysis of crack problems in magnetoelectroelastic solids Jan Sladek, Vladimir Sladek Institute of Construction and Architecture, Slovak Academy of Sciences, 84503 Bratislava, Slovakia. DOI: https://doi.org/10.7494/cmms.2011.1.0316 Abstract: A meshless method based on the local Petrov-Galerkin approach is applied for boundary value problems with cracks in magnetoelectroelastic solids. A unit step function is used as … Read more

On modelling of the heat generation during friction stir welding using combined discrete/finite element approach

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On modelling of the heat generation during friction stir welding using combined discrete/finite element approach Michal Krzyzanowski, William M. Rainforth Institute for Microstructural and Mechanical Process Engineering, The University of Sheffield S1 3JD, UK. DOI: https://doi.org/10.7494/cmms.2011.1.0332 Abstract: The concept of combining the latest finite element (FE) and discrete element (DE) multiscale numerical technologies for modelling … Read more

Experimental verification of simulation model of impact response tests for unsaturated polyester/GF and PP/GF composites

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Experimental verification of simulation model of impact response tests for unsaturated polyester/GF and PP/GF composites Sanita Zike, Kaspars Kalnins, Olgerts Ozolins Institute of Materials and Structures, Riga Technical University ,Azenes iela 16/20-353, Riga, LV-1048, Latvia. DOI: https://doi.org/10.7494/cmms.2011.1.0317 Abstract: In this paper validation of experimental and numerical results of low-velocity composite plate impact tests have been … Read more

Towards using adaptive hybrid meshes in fem simulations of flow in artificial heart chambers

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Towards using adaptive hybrid meshes in fem simulations of flow in artificial heart chambers Krzysztof Banaś, Paweł Cybułka, Piotr Macioł, Kazimierz Michalik AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2011.1.0333 Abstract: The paper presents an implementation of adaptive hybrid meshes in a FEM code designed for 3D simulations of … Read more

Numerical solution of the three point bending of glass in application to the inverse analysis of this test

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Numerical solution of the three point bending of glass in application to the inverse analysis of this test Monika Pernach1, Marcin Środa2, Piotr Kustra1 1Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, Kraków, Poland.2Faculty of Material Science and Ceramics, AGH University of Science and Technology, Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2011.1.0318 … Read more