Papers

A comparison of models for ductile fracture prediction in forging processes

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A comparison of models for ductile fracture prediction in forging processes Cai Zheng, Jose M.A. Cesar De Sa, F.M. Andrade Pires IDMEC-Institute for Mechanical Engineering, Faculty of Engineering, University of Porto,Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal. DOI: https://doi.org/10.7494/cmms.2007.4.0180 Abstract: The possibility of predicting ductile fracture plays an important role in the design of … Read more

Explicit microscopic fatigue analysis of forged components

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Explicit microscopic fatigue analysis of forged components Marc Milesi, Yvan Chastel, Marc Bernacki, Roland E. Logé, Pierre-Olivier Bouchard CEMEF – ENSMP, Centre de Mise en Forme des Matériaux,,UMR CNRS 7635, BP 207, 06904 Sophia Antipolis Cedex, France. DOI: https://doi.org/10.7494/cmms.2007.4.0181 Abstract: Numerical modelling of fatigue behavior for anisotropic structures has become critical for design applications. This … Read more

Mapping microstructure in ac and psc testpieces deformed at high temperature

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Mapping microstructure in ac and psc testpieces deformed at high temperature Bryan Roebuck1, Ken P. Mingard1, Matthew Brooks1, Eric J. Palmiere2, Brad P. Wynne2, Matthew J. Thomas2 1NPL, Teddington, Middlesex, London, UK. 2IMMPETUS, Institute for Microstructural and Mechanical Process Engineering, The University of Sheffield, Sheffield, UK. DOI: https://doi.org/10.7494/cmms.2007.4.0182 Abstract: Good measurement infrastructure is vital for … Read more

Optimisation strategies to determine process parameters in tube hydroforming

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Optimisation strategies to determine process parameters in tube hydroforming Rosa Di Lorenzo, Giuseppe Ingarao, Fabrizio Micari Università di Palermo, Dipartimento di Tecnologia Meccanica, Produzione e Ingegneria Gestionale, Palermo. DOI: https://doi.org/10.7494/cmms.2007.3.0174 Abstract: In tube hydroforming the concurrent actions of pressurized fluid and mechanical feeding allows to obtain tube shapes characterized by complex geometries such as different … Read more

Comparison of mathematical models for the turbulent fluid flow, heat transfer and solidification in the continuous casting process

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Comparison of mathematical models for the turbulent fluid flow, heat transfer and solidification in the continuous casting process Rodrigo Ottoni Da Silva Pereira, Roberto Parreiras Tavares Federal University of Minas Gerais, Belo Horizonte, Brazil. DOI: https://doi.org/10.7494/cmms.2007.3.0175 Abstract: In the present work a mathematical model for the continuous casting process and its principal phenomena was developed. … Read more

On the support uml diagrams understanding during the software maintenance

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On the support uml diagrams understanding during the software maintenance Leszek Kotulski, Artur Basiura Department of Automatics, AGH – University of Science and Technology, al. Mickiewicza 30, Kraków, Poland,DRQ S.A., ul. Podwale 3, Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2007.3.0176 Abstract: “UML diagrams are generally accepted technique of supporting computing modeling and maintenance systems that are independent from … Read more

Ontogrator – an intelligent access to heterogeneous knowledge sources about casting technology

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Ontogrator – an intelligent access to heterogeneous knowledge sources about casting technology Stanisława Kluska-Nawarecka1, Grzegorz Dobrowolski2, Robert Marcjan2, Edward Nawarecki2 1Instytut Odlewnictwa, ul. Zakopiańska 73, 30-418 Kraków. 2Katedra Informatyki, Akademia Górniczo Hutnicza, al. Mickiewicza 30, 30-059 Kraków. DOI: https://doi.org/10.7494/cmms.2007.2.0162 Abstract: OntoGRator is a system for integration and organization of access to various information and knowledge … Read more

The analysis of the influence of plug shape and its position on piercing process in skew rolling mill

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The analysis of the influence of plug shape and its position on piercing process in skew rolling mill Jan Kazanecki1, Zbigniew Pater2, Jarosław Bartnicki2 1AGH University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland. 2Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0159 Abstract: In this paper the results of FEM simulations … Read more

Comparison of 3d and 2.5d finite element simulation principles for rolling in grooves modeling

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Comparison of 3d and 2.5d finite element simulation principles for rolling in grooves modeling Sergey A. Aksenov1, Jiri Kliber1, Evgeniy N. Chumachenko2 1VŠB Technical University of Ostrava, Czech Republic. 2Moscow Institute of Electronics and Mathematics, Russia. DOI: https://doi.org/10.7494/cmms.2007.2.0141 Abstract: The paper deals with comparison of 3D and 2.5D finite element simulation principles using modeling of … Read more

Edge detection and filtering approach dedicated to microstructure images analysis

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Edge detection and filtering approach dedicated to microstructure images analysis Łukasz Rauch, Jan Kusiak AGH University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0160 Abstract: The processing of microstructure images dedicated to detection of the borders between material grains is still a difficult task. It is basically caused by a superimposed noise … Read more