cmms

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

Application of the cyclic plasticity hardening law to metal forming

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Application of the cyclic plasticity hardening law to metal forming Krzysztof Muszka, Konrad Perzyński, Łukasz Madej AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2008.4.0255 Abstract: Creation of a robust numerical model of the low cyclic plastic deformation is essential for predicting inhomogeneities occurring during strain path change. Application of … Read more

Phase transition simulations for solidification of fe-c alloy with cellular automata interfaced with self-adaptive hp finite element method for non-stationary heat and mass transport problems

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Phase transition simulations for solidification of fe-c alloy with cellular automata interfaced with self-adaptive hp finite element method for non-stationary heat and mass transport problems Maciej Paszyński1, Jerzy Gawąd2, Paweł Matuszyk2, Łukasz Madej2, Dorota Podorska3 1Department of Computer Science, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland. 2Department of Applied Computer … Read more

The application of the morris method for determination of ranges of parameters variation, having assumed influence on calculation result

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The application of the morris method for determination of ranges of parameters variation, having assumed influence on calculation result Norbert Sczygiol, Robert Dyja Czestochowa University of Technology, Institute of Computer and Information Sciences,,73 Dabrowskiego str., 42-200 Czestochowa. DOI: https://doi.org/10.7494/cmms.2008.4.0257 Abstract: A method of sensitivity analysis for determining acceptable ranges of uncertainty of tested model’s parameters … 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

Three-dimensional upper bound analyses for extrusion from square billets through complex die-openings’ shapes

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Three-dimensional upper bound analyses for extrusion from square billets through complex die-openings’ shapes Joseph S. Ajiboye Department of Mechanical Engineering, University of Lagos, Lagos, Nigeria;,present address: KAIST Valufacture Institute of Mechanical Engineering, School of Mechanical,,Aerospace & Systems Engineering, Korea Advanced Institute of Science and Technology,Daejeon 305-701, Korea DOI: https://doi.org/10.7494/cmms.2008.4.0259 Abstract: A numerical model based on … Read more

Rectilinear viscoelastic flows in ducts

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Rectilinear viscoelastic flows in ducts Michel Beaulne1, Evan Mitsoulis2 1Department of Chemical Engineering, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada. 2School of Mining Engineering and Metallurgy, National Technical University of Athens, Zografou 157 80, Athens, Greece. DOI: https://doi.org/10.7494/cmms.2008.3.0195 Abstract: Axial flows in generalized ducts are studied for viscoelastic materials including a linear low-density polyethylene … Read more