cmms

Guidelines for the determination of tube forming limits based on tensile, bulge and elliptical tests

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Guidelines for the determination of tube forming limits based on tensile, bulge and elliptical tests Lander Galdos, Eneko Sáenz De Argandoña, Carlos García Mechanical and Manufacturing Department, Mondragon University, Spain. DOI: https://doi.org/10.7494/cmms.2011.1.0328 Abstract: Tube hydroforming is a well-known technology able to manufacture complicated geometrical parts with high mechanical properties. Furthermore, the developments of new and … Read more

Application of the fractional oscillator equation to simulations of granular flow in a silo

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Application of the fractional oscillator equation to simulations of granular flow in a silo Tomasz Blaszczyk2, Ewa Kotela1, Jacek Leszczynski1 1Czestochowa University of Technology, Department of Heating, Ventilation and Air Protection ul. Dabrowskiego 73, 42-200 Czestochowa, Poland.2Czestochowa University of Technology, Institute of Mathematics ul. Dabrowskiego 73, 42-200 Czestochowa, Poland. DOI: https://doi.org/10.7494/cmms.2011.1.0313 Abstract: In this paper … Read more

Mechanical and metallurgical properties of titanium alloy friction stir welded butt joints

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Mechanical and metallurgical properties of titanium alloy friction stir welded butt joints Livan Fratini, Gianluca Buffa Dipartimento di Ingegneria Industriale,Università di Palermo Viale delle Scienze. DOI: https://doi.org/10.7494/cmms.2011.1.0329 Abstract: Friction Stir Welding (FSW) is a solid state welding process patented in 1991 by TWI, initially adopted to weld aluminum alloys, is now being successfully used also … Read more

Discrete element simulation of powder sintering

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Discrete element simulation of powder sintering Jerzy Rojek1, Katarzyna Pietrzak1,2, Marcin Chmielewski2, Dariusz Kaliński2, Szymon Nosewicz1 1Institute of Fundamental Technological Research, Polish Academy of Sciences ul. Pawińskiego 5B, 02-106 Warszawa.2Institute of Electronic Materials Technology ul. Wólczyńska 133, 01-919 Warszawa. DOI: https://doi.org/10.7494/cmms.2011.1.0314 Abstract: This paper presents numerical modelling of powder sintering. The numerical model introduced in … Read more

Numerical model of a tig welding process for the aviation industry, including analysis of the heat transfer

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Numerical model of a tig welding process for the aviation industry, including analysis of the heat transfer Andrzej Kuźniar1, Paweł Rygiel1, Stanisław Dudek1, Antoni Gnot1, Tadeusz Gancarczyk1, Konrad Perzyński2 1“WSK “”PZL – Rzeszów”” S.A., ul. Hetmańska 120, 35-078 Rzeszów, Poland”.2Department of Applied Computer Science and Modeling, AGH University of Science and Technology, al. Mickiewicza 30, … Read more

Numerical and experimental studies of the strength of riveted joints

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Numerical and experimental studies of the strength of riveted joints Nanjiang Chen1,2, Jean-Loup Chenot1, Min Wan2, Julien Malrieu3, Maxime Thonnerieux3, Richard Ducloux4 1CEMEF – Mines ParisTech, BP 207 – 06904 Sophia Antipolis Cedex, France. 2School of Mechanical Engineering and Automation, Beihang University, 100191, P. R China. 3Cetim Saint Etienne, 7 rue de la presse, 42952, … Read more

Numerical prediction of microstructure in high-strength ductile forging parts

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Numerical prediction of microstructure in high-strength ductile forging parts Arthur Back1, Marcus Urban1, Christoph Keul2, Wolfgang Bleck2, Gerhard Hirt1 1Institute of Metal Forming (IBF), RWTH Aachen University, Aachen, Germany. 2Institute of Ferrous Metallurgy (IEHK), RWTH Aachen University, Aachen, Germany. DOI: https://doi.org/10.7494/cmms.2010.4.0296 Abstract: The automotive industry has an ongoing request for lighter, stiffer and at the … Read more

Theoretical and numerical issues on ductile failure prediction – an overview

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Theoretical and numerical issues on ductile failure prediction – an overview Jose Manuel De Almeida Cesar De Sa, Filipe Xavier Costa Andrade, Francisco Manuel Andrade Pires Department of Mechanical Engineering – DEMec,Faculty of Engineering, University of Porto – FEUP,Rua Dr. Roberto Frias 4200-465 Porto, Portugal. DOI: https://doi.org/10.7494/cmms.2010.4.0297 Abstract: The main goal of this paper is … Read more

Prediction of statically recrystallized microstructure during extrusion of aluminum alloys

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Prediction of statically recrystallized microstructure during extrusion of aluminum alloys Peter Cvahte1, Goran Kugler2, Tomaž Rodič2 1Impol 2000 d.d., Partizanska 38, 2310 Slovenska Bistrica, Slovenia. 2Faculty of Natural Sciences and Engineering University of Ljubljana, Askerceva 12, 1000 Ljubljana, Slovenia. DOI: https://doi.org/10.7494/cmms.2010.4.0298 Abstract: To predict evolution of microstructure of aluminum alloys after deformation a numerical model … Read more

A coupled multi-physics model for induction heat treatment processes

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A coupled multi-physics model for induction heat treatment processes David Cardinaux, François Bay, Yvan Chastel MINES ParisTech, CEMEF – Centre de Mise en Forme des Matériaux,,CNRS UMR 7635, 06904 Sophia Antipolis Cedex, France. DOI: https://doi.org/10.7494/cmms.2010.4.0299 Abstract: Several multi-physics problems are coupled in induction heat treatment processes. This makes them often difficult to control and understand. … Read more