Genetic programming modeling of the critical size of inclusions Miha Kovačič, Božidar Šarler University of Nova Gorica, Slovenia. DOI: https://doi.org/10.7494/cmms.2011.1.0310 Abstract: Spring steel quality has a major impact on spring life. Spring steel quality depends also on the inclusions presence. 7 dynamically tested and broken springs (51CrV4) were analyzed. The dynamic test result is the … Read more
Particle distance distributions and their effect on precipitation strengthening Bernhard Sonderegger1,2, Ivan Holzer1, Ernst Kozeschnik3, Christof Sommitsch1 1Institute for Materials Science and Welding, Christian Doppler Laboratory for Materials Modelling and Simulation, Graz University of Technology, Kopernikusgasse 24, 8010 Graz, Austria.2Materials Center Leoben Forschung GmbH, Rosseggerstraße 12, 8700 Leoben, Austria.3Christian Doppler Laboratory for Early Stages of … Read more
Computational intelligence methods in searching of stable configurations of nanostructures Adam Mrozek1, Wacław Kuś2, Tadeusz Burczyński1,2 1Cracow University of Technology, Institute of Computer Science, Cracow, Poland.2Silesian University of Technology, Department for Strength of Materials and Computational Mechanics, Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2011.1.0311 Abstract: Application of evolutionary algorithm, artificial immune system and particle swarm optimization in the … Read more
Influence of initial state and chemical composition on the hardening and softening kinetics in hot metal forming Philipp Hagemann, Rudolf Kawalla, Werner Jungnickel, Matthias Schmidtchen Technische Universität Bergakademie Freiberg – Institut für Metallformung, Freiberg, Germany. DOI: https://doi.org/10.7494/cmms.2011.1.0327 Abstract: Materials in hot metal forming are suspended to a series of plastic deformation until they obtain their … Read more
From discrete particles to solids – about sintering and self-healing Stefan Luding Multi Scale Mechanics, CTW, UTwente, POBox 217, 7500AE Enschede, NL. DOI: https://doi.org/10.7494/cmms.2011.1.0312 Abstract: In this review, particulate materials are studied using the Discrete Element Method (DEM), where the particles keep their identity throughout. Loose particles can sinter due to time-, stress- or temperature-dependent … Read more
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 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 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 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 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, Akademia Górniczo-Hutnicza, al. Mickiewicza 30, 30-059, Kraków, Poland. DOI: … Read more