cmms

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

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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

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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

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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

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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

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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

Tendencies and new requirements in the simulation of sheet metal forming processes

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Tendencies and new requirements in the simulation of sheet metal forming processes Karl Roll, Klaus Wiegand Daimler AG, Germany. DOI: https://doi.org/10.7494/cmms.2009.1.0202 Abstract: The industrial forming simulation used today is the result of a development process during the last two decades. A main focus of this process was the continuous optimization to characterize the mate-rial properties. … Read more

Numerical modelling of the process of bimetallic bar rolling in a three-high skew rolling mill

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Numerical modelling of the process of bimetallic bar rolling in a three-high skew rolling mill Sylwester Sawicki, Piotr Szota, Sebastian Mróz, Henryk Dyja Czestochowa University of Technology, Faculty of Materials Processing Technology and Applied Physics, Al. Armii Krajowej 19, 42-200 Czestochowa, Poland. DOI: https://doi.org/10.7494/cmms.2009.1.0218 Abstract: Bimetallic bars which possess higher corrosion resistance and mechanical properties, … Read more

Modeling and numerical simulation of elasto-viscoplastic anisotropic behavior of tantalum including the ductile damage effect

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Modeling and numerical simulation of elasto-viscoplastic anisotropic behavior of tantalum including the ductile damage effect Thomas Paris1,2, Khémaïs Saanouni1, Manuel Francois1, Damien Delaplanche2 1University of Technology of Troyes, ICD/LASMIS, CNRS, FRE 2848 BP 2060 10010 Troyes, France. 2CEA Valduc, LCSI 21120 Is-sur-Tille, France. DOI: https://doi.org/10.7494/cmms.2009.1.0203 Abstract: At room temperature, the tantalum is shown to exhibit … Read more

Prediction of forming limit in stretch flanging by finite element simulation combined with ductile fracture criterion

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Prediction of forming limit in stretch flanging by finite element simulation combined with ductile fracture criterion Hirohiko Takuda1, Takayuki Hama1, Kazuki Nishida1, Tohru Yoshida2, Jun Nitta2 1Department of Energy Science and Technology, Kyoto University, 606-8501 Kyoto, Japan. 2Steel Research Laboratories, Nippon Steel Corporation, 293-8511 Futtsu, Japan. DOI: https://doi.org/10.7494/cmms.2009.1.0219 Abstract: In our previous studies, the limit … Read more

Interaction of penny-shaped crack and spherical inclusion in 3d particulate elastic composite: biem calculation of mode-i dynamic stress intensity factor

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Interaction of penny-shaped crack and spherical inclusion in 3d particulate elastic composite: biem calculation of mode-i dynamic stress intensity factor Oksana Khay1, Viktor Mykhas’Kiv1, Jan Sladek2, Vladimir Sladek2, Chuanzeng Zhang3 1Pidstryhach Institute for Applied Problems of Mechanics and Mathematics NASU, 3-b Naukova Str., 79060 Lviv, Ukraine. 2Department of Mechanics, Institute of Construction and Architecture, 9 … Read more