Papers

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

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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

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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

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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

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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

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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

A sensitivity analysis on artificial neural networks fracture predictions in sheet metal forming operations

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A sensitivity analysis on artificial neural networks fracture predictions in sheet metal forming operations Rosa Di Lorenzo, Giuseppe Ingarao, Fabrizio Micari Università di Palermo, Dipartimento di Tecnologia Meccanica, Produzione e Ingegneria Gestionale,,viale delle Scienze 90128, Palermo, Italy. DOI: https://doi.org/10.7494/cmms.2008.2.0188 Abstract: In the last years the investigation of formability limits in sheet metal forming operations was … Read more

Applicability of decision trees in manufacturing industry

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Applicability of decision trees in manufacturing industry Marcin Perzyk, Robert Biernacki, Artur Soroczyński Warsaw University of Technology, Institute of Materials Processing, Narbutta 85, 02-524 Warszawa. DOI: https://doi.org/10.7494/cmms.2008.2.0189 Abstract: In manufacturing companies large amounts of data are collected and stored, related to designs, products, equipment, materials, manufacturing processes etc. Utilization of that data for improvement of … Read more

Application of genetic algorithm for damage identification of non-homogenous tapered beam

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Application of genetic algorithm for damage identification of non-homogenous tapered beam Soraj Kumar Panigrahi1, Snehashish Chakraverty1, Bhanu Kumar Mishra2 1B.P.P.P. Division, Central Building Research Institute, Roorkee, India. 2Mechanical and Industrial Engineering Department, Indian Institute of Technology, Roorkee, India. DOI: https://doi.org/10.7494/cmms.2008.2.0190 Abstract: Non-homogeneous structural members such as beams are very important in various engineering applications and … Read more

Artificial neural network techniques in cold roll-forming process design

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Artificial neural network techniques in cold roll-forming process design Anthony Downes, Peter Hartley School of Mechanical Engineering, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK. DOI: https://doi.org/10.7494/cmms.2008.2.0191 Abstract: There are several types of Artificial Neural Networks (ANN) each having different capabilities and characteristics that permit a wide range of applications. The purpose of this paper … Read more

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

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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