cmms

Application of physical and mathematical modelling to analysis of different forging processes of constant velocity joint body

by

Application of physical and mathematical modelling to analysis of different forging processes of constant velocity joint body Zbigniew Gronostajski1, Marek Hawryluk1, Karol Jaśkiewicz1, Adam Niechajowicz1, Sławomir Polak1, Sławomir Walczak2, Andrzej Woźniak2 1Wrocław University of Technology, Department of Plastic Forming Process Engineering, ul. Łukasiewicza 3/5, 50 371 Wrocław, Poland.2GKN Automotive, ul. Południowa 5, 56 400 Oleśnica. … Read more

Numerical study to identify the material parameters of a damage model

by

Numerical study to identify the material parameters of a damage model Renée Schwartz1, Sylvie Castagne2, Anne Marie Habraken1 1University of Liège, ArGEnCo Department, MS2F Division.2Chemin des Chevreuils, 1 4000 Liège, Belgium. DOI: https://doi.org/10.7494/cmms.2007.2.0149 Abstract: In the continuous casting (CC) process, transversal cracks happen. This type of macroscopic damage is due to the process loading in … Read more

Frequency optimization based on “exact” sensitivity and fatigue life estimation

by

Frequency optimization based on “exact” sensitivity and fatigue life estimation Tomasz Bednarek, Włodzimierz Sosnowski Institute of Fundamental Technological Research, PAS, Warsaw Kazimierz Wielki University, Bydgoszcz DOI: https://doi.org/10.7494/cmms.2007.2.0150 Abstract: In this paper the optimization of double – disk rotor shaft system based on sensitivity analysis followed by the fatigue life estimation of optimized shaft is considered. … Read more

Creep-fatigue of multi-part container during hot extrusion of copper – simulation and experimental comparison

by

Creep-fatigue of multi-part container during hot extrusion of copper – simulation and experimental comparison Friedrich Krumphals1, Thomas Wlanis1, Christof Sommitsch1,2, Christian Redl3 1Christian Doppler Laboratory For Materials Modelling And Simulation, University of Leoben, Franz-Josef-Strasse 18, 8700, Leoben, Austria. 2Chair of Metal Forming, University of Leoben, Franz-Josef-Strasse 18, 8700, Leoben, Austria. 3Böhler Edelstahl GmbH, Mariazellerstrasse 25, … Read more

Development of numerical tools for the multiscale modelling of recrystallisation in metals, based on a digital material framework

by

Development of numerical tools for the multiscale modelling of recrystallisation in metals, based on a digital material framework Marc Bernacki, Yvan Chastel, Hugues Digonnet, Heba Resk, Thierry Coupez, Roland E. Logé Centre de mise en forme des matériaux (CEMEF), Ecole Nationale Supérieure des Mines de Paris,,UMR CNRS 7635, BP 207, 06904 Sophia Antipolis Cedex, France. … Read more

Modelling the hardenability and tempering of high strength steels

by

Modelling the hardenability and tempering of high strength steels Johan Eliasson1, Tadeusz Siwecki1, Björn Rodell2 1Corrosion and Metals Research Institute, KIMAB Drottning Kristinas väg 48, S-114 28 Stockholm, Sweden. 2SSAB Oxelösund AB, Sweden. DOI: https://doi.org/10.7494/cmms.2007.1.0120 Abstract: The aim of the present work was to develop hardenability and tempering models for various quenching and tempering treatments … Read more

Modelling of brittle damage nucleation by means of ca

by

Modelling of brittle damage nucleation by means of ca Krzysztof Nowak Cracow University of Technology, ul. Warszawska 24, 31-155 Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2007.1.0136 Abstract: The description of damage nucleation in metals subjected to creep conditions, on the level of material structure, is proposed. In classical approach of mechanics it is achieved by introducing scalar (or … Read more

Computer processing of results of the wedge rolling test

by

Computer processing of results of the wedge rolling test Tomáš Kubina1, Ivo Schindler1, Petra Turoňová1, Milan Heger1, Jiří Franz2, Miroslav Liška3, Marek Hlisníkovský4 1VŠB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, 17. listopadu 15, 708 33 Ostrava, Czech Republic. 2AutoCont CZ a.s., Nemocniční 12, 702 00 Ostrava, Czech Republic. 3VÍTKOVICE – … Read more

Multi-scale fem simulation of the drawing process

by

Multi-scale fem simulation of the drawing process Andriy Milenin1, Zbigniew Muskalski2 1AGH University of Science and Technology, Al. Mickiewicza 30, 30-059, Kraków, Poland. 2Czestochowa University of Technology, Al. Armii Krajowej 19, 42-200, Czestochowa, Poland. DOI: https://doi.org/10.7494/cmms.2007.1.0137 Abstract: In this paper the wire drawing process is investigated in two levels. They are a steady-state solution using … Read more

Application of qform forging simulation system for prediction of microstructure of aluminum forged parts

by

Application of qform forging simulation system for prediction of microstructure of aluminum forged parts Sergei Stebunov1, Nikolay Biba1, Alexei Ovchinnikov2, Vitalyi Smelev3 1QuantorForm Ltd., Moscow, Russia. 2Moscow Air Technology University, Moscow, Russia. 3Stupino Metallurgical Company, Moscow region, Russia. DOI: https://doi.org/10.7494/cmms.2007.1.0122 Abstract: The development of numerical simulation of technological processes such as forging and heat treatment … Read more