An influence of some process parameters on lateral forces in forging dies Andrzej Kocańda, Piotr Czyżewski Institute of Materials Processing, Warsaw University of Technology,Narbutta 85, 02-524 Warsaw, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0144 Abstract: The lateral forces are relatively high in production of nonsymmetrical or extended forgings what results in an offset of the upper and lower dies. … Read more
Influence of forging parameters on tool temperature in hot forging Akihiro Minami1, Yasuo Marumo2, Hiroyuki Tanaka2 , Liqun Ruan2 , Hiroyuki Saiki2 1Department of Mechanical Engineering, Ariake National College of Technology,150 Higashihagio, Omuta, Fukuoka 836-8585, Japan.2Department of Mechanical System Engineering, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan. DOI: https://doi.org/10.7494/cmms.2007.2.0145 … Read more
Discrete element modelling of rock cutting Jerzy Rojek Institute of Fundamental Technological Research,Swietokrzyska 21, 00-049 Warszawa, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0147 Abstract: The present paper presents modelling of rock cutting processes using the discrete element method. Numerical algorithm of the discrete element method employing cylindrical and spherical elements has been implemented and numerical simulation of rock cutting … Read more
Mathematical description of deformation resistance of IF steel including influence of phase transformations Ivo Schindler1, Jiří Plura2, Vladimír Jurko3, Stanislav Rusz1, Pavel Suchánek1, Marcel Janošec1 1VSB – Technical University of Ostrava, Institute of Modelling and Control of Forming Processes, 17. listopadu 15, 708 33 Ostrava, Czech Republic. 2VSB – Technical University of Ostrava, Department of … Read more
Modelling and process optimisation for heavy plate rolling of structural steel Tadeusz Siwecki Corrosion & Metal Research Institute, KIMAB,Drottning Kristinas väg 48, 114 28 Stockholm, Sweden. DOI: https://doi.org/10.7494/cmms.2007.1.0116 Abstract: The aim of the paper is to present the recent developments (in Sweden) regarding microstructure and mechanical property enhancement through thermo-mechanical controlled processing (TMCP) of structural … Read more
Numerical modelling of constrained groove pressing with deform 3d software Dušan Kešner1, Petr Fišer1, Jaroslav Drnek1, Jozef Zrník1,2, Miroslav Cieslar3, Zbyšek Novy1 1Comtes FHT Ltd., Lobezská E987, 326 00 Plzeň, Czech Republic. 2University of West Bohemia, Univerzitní 22, 306 14 Plzeň, Czech Republic. 3Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16 … Read more
Dedicated computer system of aided steel deformation testing procedure near solidus temperature Mirosław Głowacki, Marcin Hojny AGH-University of Science and Technology,Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2007.1.0117 Abstract: The paper presents the results of experimental and theoretical work leading to mathematical modelling of phenomena accompanying the deformation of steel which is still subjected to the … Read more
Mathematical modeling of structure and mechanical properties of steel tubes production Tibor Kvačkaj, Michal Zemko Department of Metal Forming, Faculty of Metallurgy, TU of Košice, Slovakia. DOI: https://doi.org/10.7494/cmms.2007.1.0133 Abstract: The article deals with FEM analysis, with mathematical modeling of structure evolution and with prediction of mechanical properties during hot rolling of seamless steel tubes. There … Read more
Modelling the mechanical properties of multiphase steels Corinna Thomser1, Ulrich Prahl1, Henk Vegter2, Wolfgang Bleck1 1Institute of Ferrous Metallurgy, RWTH Aachen University, Germany. 2Corus RD&T, IJmuiden, Netherlands. DOI: https://doi.org/10.7494/cmms.2007.1.0118 Abstract: Due to economic, environmental and safety reasons the use of high strength steels for the automotive industry is increasing rapidly. For an optimal combination of … Read more
Finite element analysis of die wear in hot forging considering industrial processes Bernd-Arno Behrens, André Hundertmark IFUM Hannover. DOI: https://doi.org/10.7494/cmms.2007.1.0134 Abstract: The efficiency of hot forging processes significantly depends on the service life of the dies. As a consequence of thermal and mechanical interactions between workpiece and tool surfaces during the forming process, adhesive and … Read more