Papers

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

by

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

by

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

by

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

by

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

Process simulation of stub shaft forging with local heating and cooling – an analysis with efg

by

Process simulation of stub shaft forging with local heating and cooling – an analysis with efg Christoph Bröcker1, Kurt Steinhoff2, Anton Matzenmiller1 1Institute of Mechanics, Department of Mechanical Engineering, University of Kassel,,Mönchebergstr. 7, 34125 Kassel, Germany. 2Institute for Production Technology and Logistics, Chair of Metal Forming Technology,,University of Kassel, Kurt-Wolters-Str. 3, 34125 Kassel, Germany. DOI: … Read more

Homogenization of one dimensional elliptic system

by

Homogenization of one dimensional elliptic system Paweł Mitkowski1, Wojciech Mitkowski2 1Faculty of Electrical Engineering, Automatics, Electronics and Computer Science, Akademia Górniczo-Hutnicza, al. Mickiewicza 30, 30-059 Kraków, Poland. 2Department of Automatics, Akademia Górniczo-Hutnicza al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2008.3.0197 Abstract: The work presents problem of homogenization of one-dimenional mediums of periodic micrsotructure, and more … Read more

A finite element analysis of the superplastic blow-forming in an awl-shaped die with titanium alloy

by

A finite element analysis of the superplastic blow-forming in an awl-shaped die with titanium alloy Dyi-Cheng Chen, Hsin-Neng Wang Department of Industrial Education and Technology, National Changhua University of Education, Changhua 500, Taiwan, R.O.C.. DOI: https://doi.org/10.7494/cmms.2008.3.0198 Abstract: This study employs commercial DEFORMTM 3D finite element analysis software to simulate the superplastic blowforming of Ti-6Al-4V titanium … Read more

Experimental study of v-bending process of steel-polymer-steel sheets at room temperature

by

Experimental study of v-bending process of steel-polymer-steel sheets at room temperature Sergej Tipalin, Michael Nikitin, Nikolaj Shpunkin Moscow State Technical University “MAMI”, B.Semenovskay str. 38, 107023 Moscow, Russia. DOI: https://doi.org/10.7494/cmms.2008.3.0199 Abstract: The paper is linked to the investigation of formability of three-layer sheets. A sheet consists of two outer layers made of low carbon steel … Read more

A numerical study on the influence of bauschinger effect on springback in reverse bending

by

A numerical study on the influence of bauschinger effect on springback in reverse bending Mehran Kadkhodayan, Iman Zafarparandeh Department of Mechanical Engineering, Ferdowsi University of Mashhad,,91775-1111, Mashhad, Iran. DOI: https://doi.org/10.7494/cmms.2008.3.0200 Abstract: It is essential to model the Bauschinger effect correctly for sheet metal forming process simulation and subsequent springback prediction when material points are subjected … Read more

Artificial neural networks for modelling the microhardness of plasma immersion ion implanted AISI 304 SS

by

Artificial neural networks for modelling the microhardness of plasma immersion ion implanted AISI 304 SS Hülya Durmuş1, Nurşen Saklakoğlu2 1Celal Bayar University, Turgutlu Technical Vocational School of Higher Education, Turgutlu-Manisa, 45400, Turkey. 2Celal Bayar University, Faculty of Engineering, Mechanical Engineering Department, 45140 Manisa – Turkey. DOI: https://doi.org/10.7494/cmms.2008.2.0192 Abstract: This paper reports on the effectiveness of … Read more