Numerical analysis of influence of surface geometrical structure prepared under burnishing rolling onto the state of strains and stress in product surface layer

Numerical analysis of influence of surface geometrical structure prepared under burnishing rolling onto the state of strains and stress in product surface layer Agnieszka Kułakowska, Leon Kukiełka Department of Technical Mechanics and Strength Materials,Faculty of Mechanical Engineering,Koszalin University of Technology, ul. Raclawicka 15 – 17, Koszalin, Poland. DOI: https://doi.org/10.7494/cmms.2009.1.0225 Abstract: In the paper an application … Read more

Numerical study of a flow in the cerebral arterial circle

Numerical study of a flow in the cerebral arterial circle Damian Obidowski, Krzysztof Jozwik, Piotr Reorowicz Medical Apparatus Division, Institute of Turbomachinery,,Technical University of Lodz, Lodz, Poland. DOI: https://doi.org/10.7494/cmms.2009.1.0210 Abstract: Blood is supplied to the brain by two internal carotid and two vertebral arteries. These arteries join to form the cerebral arterial circle (also called … Read more

Possibilities of the mechanical behaviour modelling of structures after severe plastic deformation

Possibilities of the mechanical behaviour modelling of structures after severe plastic deformation Krzysztof Muszka, Karolina Doniec, Janusz Majta Faculty of Metals Engineering and Industrial Computer Science,,AGH University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2009.1.0211 Abstract: Modelling of the mechanical response of the materials using computer simulation is very useful tool to … Read more

Modelling the influence of the structure on the properties of nanometals

Modelling the influence of the structure on the properties of nanometals Romuald Dobosz, Tomasz Wejrzanowski, Krzysztof Jan Kurzydłowski Warsaw University of Technology, Faculty of Materials Science and Engineering, Wołoska 141, Warszawa 02-507, Poland. DOI: https://doi.org/10.7494/cmms.2009.1.0212 Abstract: The mechanical properties of materials depend on their structure. The influence of grain size and grain size distribution on … Read more

Numerical simulations of diamond microfluidic device for the biomolecules electrophoretic separations

Numerical simulations of diamond microfluidic device for the biomolecules electrophoretic separations Jan M. Lysko1, Dariusz Witkowski2, Damian Obidowski2, Anna Karczemska2 1The Institute of Electron Technology, al. Lotnikow 32/46, 02-668 Warsaw, Poland. 2Technical University of Lodz, Institute of Turbomachinery, ul. Wolczanska 219/223, 90-924 Lodz, Poland. DOI: https://doi.org/10.7494/cmms.2009.1.0213 Abstract: Microfluidic devices known also as labs-on-chip, capillary electrophoresis … Read more

Sensitivity analysis of divergence of ion beam with respect to changes of shape of acceleration grid in kaufman type ion sources

Sensitivity analysis of divergence of ion beam with respect to changes of shape of acceleration grid in kaufman type ion sources Jacek Rońda, Dominik Osiński Department of Applied Computer Science and Modelling,,University of Science and Technology AGH, Cracow, Poland. DOI: https://doi.org/10.7494/cmms.2009.1.0214 Abstract: This paper presents results of simulation for ion extraction from Kaufman type ion … Read more

Stress analysis of silicon-titanium coating created by ion beam sputter deposition

Stress analysis of silicon-titanium coating created by ion beam sputter deposition Jacek Rońda, Wojciech Rajchel, Paweł Wojnarowski Department of Applied Computer Science and Modelling,Faculty of Metals Engineering and Industrial Computer Science,AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2009.1.0215 Abstract: The paper is devoted to the analysis of internal stresses … Read more

Numerical simulation of modified friction stir spot welding processes

Numerical simulation of modified friction stir spot welding processes Gianluca Buffa, Livan Fratini Dipartimento di Tecnologia Meccanica, Produzione e Ingegneria Gestionale,University of Palermo, Italy. DOI: https://doi.org/10.7494/cmms.2009.1.0216 Abstract: Spot welding can be considered a very common joining technique in automotive and generally in transportation industries as it permits to obtain effective lap-joints with short process times … Read more

Thermo-mechanical forming of al-mg-si sheet – modelling of warm forming, heat treatments and transformations

Thermo-mechanical forming of al-mg-si sheet – modelling of warm forming, heat treatments and transformations A.H. (Ton) Van Den Boogaard1, Srihari Kurukuri2, Manojit Ghosh2, Alexis G. Miroux2 1University of Twente, Enschede, The Netherlands. 2Materials Innovation Institute, Delft, The Netherlands. DOI: https://doi.org/10.7494/cmms.2009.1.0201 Abstract: In warm forming of aluminum sheet, the temperature and strain rates vary considerably. In … Read more

Fsw of lightweight aluminum structures: lap joint development

Fsw of lightweight aluminum structures: lap joint development Gianluca Buffa, Livan Fratini Dipartimento di Tecnologia Meccanica, Produzione e Ingegneria Gestionale,University of Palermo, Italy. DOI: https://doi.org/10.7494/cmms.2009.1.0217 Abstract: Experimental and numerical investigation on the lap joining of 2xxx aluminum alloys blanks by FSW is presented. In particular, the influence of some relevant parameters, both geometrical and technological, … Read more