Effect of capillary tip shape on deformation and bondability in Au wire bonding

Effect of capillary tip shape on deformation and bondability in Au wire bonding Hiroyuki Saiki1, Yasuo Marumo1a, Hiroshi Nishitake2, Tetsuhiro Uemura1, Takahiro Yotsumoto2 1Department of Mechanical System Engineering, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555 Japan. 2a Sony Semiconductor Kyushu Co. Ltd., Japan. DOI: https://doi.org/10.7494/cmms.2007.1.0130 Abstract: Au wire bonding is … Read more

Hot forming and heat treatment simulation in a steel mill

Hot forming and heat treatment simulation in a steel mill Christian Redl1, Baohui Tian1, Volker Wieser1, Christof Sommitsch2, Thomas Wlanis2 1Böhler Edelstahl GmbH, 8605 Kapfenberg, Austria. 2Christian-Doppler-Laboratory for Materials Modelling and Simulation, 8700 Leoben, Austria. DOI: https://doi.org/10.7494/cmms.2007.1.0113 Abstract: Numerical simulation is nowadays becoming a standard tool in industrial processes. This paper provides an insight about … Read more

Verification of numerical modelling of the spr joint by experimental stack-up

Verification of numerical modelling of the spr joint by experimental stack-up Robert Cacko, Piotr Czyżewski Institute of Materials Processing, Warsaw University of Technology,Narbutta 85, 02-524 Warszawa, Poland. DOI: https://doi.org/10.7494/cmms.2007.1.0131 Abstract: To analyze both joinability of various materials using self-piercing riveting (SPR) and strength of this kind of joints, full experimental and numerical procedure was introduced. … Read more

Modeling of hot rolling 6061 aluminum alloy – state variables and grain size predictions

Modeling of hot rolling 6061 aluminum alloy – state variables and grain size predictions Luigi De Pari jr., Alexander r. Bandar, William H. Van Geertruyden, Wojciech Z. Misiolek Institute For Metal Forming, Lehigh University,Bethlehem, PA, USA. DOI: https://doi.org/10.7494/cmms.2007.1.0114 Abstract: Numerical modeling of hot rolling 6061 aluminum alloy was performed in order to predict state variables: … Read more

Numerical modelling of constrained groove pressing with deform 3d software

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

Mathematical description of deformation resistance of IF steel including influence of phase transformations

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

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

Mathematical modeling of structure and mechanical properties of steel tubes production

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

Dedicated computer system of aided steel deformation testing procedure near solidus temperature

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

Finite element analysis of die wear in hot forging considering industrial processes

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