Papers

Calculation of forming limit curve for grade 2 titanium using modified sample geometry

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Calculation of forming limit curve for grade 2 titanium using modified sample geometry Julita Winowiecka, Piotr Lacki Czestochowa University of Technology, Dąbrowskiego 69, 42-202 Czestochowa. DOI: https://doi.org/10.7494/cmms.2015.1.0500 Abstract: Commercially pure titanium Grade 2 has good drawability and tensile strength of about 340 MPa. It is the most widespread grade of titanium in the industry. Grade … Read more

Determination of friction factor by ring compression testing and FE analysis

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Determination of friction factor by ring compression testing and FE analysis Michal Gzyl1, Andrzej Rosochowski2, Lech Olejnik3, Kamil Sikora4, Muhammad Jawad Qarni1 1Advanced Forming Research Centre, University of Strathclyde, 85 Inchinnan Drive, Renfrew PA4 9LJ, United Kingdom.2Design, Manufacture and Engineering Management, University of Strathclyde, James Weir Building, 75 Montrose Street, Glasgow G1 1XJ, United Kingdom.3Institute … Read more

Device simulation and multi-objective genetic algorithm-based optimization of germanium metal-oxide-semiconductor structure

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Device simulation and multi-objective genetic algorithm-based optimization of germanium metal-oxide-semiconductor structure Chieh-Yang Chen, Yiming Li Parallel and Scientific Computing Laboratory, Department of Electrical and Computer Engineering, National Chiao Tung University, 1001 Ta-Hsueh Road, Hsinchu 300, Taiwan. DOI: https://doi.org/10.7494/cmms.2015.1.0532 Abstract: Germanium (Ge) and high-ê dielectric materials draw many attentions due to their fascinating electrical characteristics comparing … Read more

Numerical simulation of the roll levelling of dp1000 steel using a nonlinear combined hardening material model

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Numerical simulation of the roll levelling of dp1000 steel using a nonlinear combined hardening material model Elena Silvestre, Eneko Sáenz De Argandoña, Lander Galdos, Joseba Mendiguren Mechanical and Manufacturing Department, Mondragon University, Loramendi 4, 20500 Mondragon, Gipuzkoa, Spain. DOI: https://doi.org/10.7494/cmms.2015.1.0501 Abstract: The roll levelling is a forming process used to remove the residual stresses and … Read more

Experimental characterization and numerical modeling of the mechanical behavior of half sandwich laminate in the context of blanking

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Experimental characterization and numerical modeling of the mechanical behavior of half sandwich laminate in the context of blanking L. Chen, T. Clausmeyer, A.E. Tekkaya Institute of Forming Technology and Lightweight Construction, TU Dortmund University, Baroper Str. 303, 44227 Dortmund, Germany. DOI: https://doi.org/10.7494/cmms.2015.1.0517 Abstract: In this short paper the complex mechanical behavior of an aluminum/low density … Read more

W-temper forming of AA7075 aluminum alloys as an alternative to the warm and hot stamping

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W-temper forming of AA7075 aluminum alloys as an alternative to the warm and hot stamping Eneko Sáenz De Argandoña1, Lander Galdos1, Rafael Ortubay1, Joseba Mendiguren1, Xabier Agirretxe2 1Mechanical and Manufacturing Department, Mondragon University, Loramendi 4,20500 Mondragon, Gipuzkoa, Spain.2Batz S. Coop., Torrea Auzoa, 2, 48140 Igorre, Bizkaia, Spain. DOI: https://doi.org/10.7494/cmms.2015.1.0502 Abstract: As important light-weight structure material, … Read more

Homogenization of fiber metal laminate structures characterized by orthotropic and elastic-plastic material models

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Homogenization of fiber metal laminate structures characterized by orthotropic and elastic-plastic material models Tomasz Nowak ABB Corporate Research Center, Starowiślna 13A Street, 31-138 Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2015.1.0518 Abstract: This paper gives a theoretical background and provides numerical calculations for the non-linear mechanical behavior of the panel structures consisting of fiber reinforced composite and aluminum laminates. … Read more

Determination of heat transfer coefficients under closed loop controlled constant contact pressures

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Determination of heat transfer coefficients under closed loop controlled constant contact pressures Lander Galdos1, Eneko Sáenz De Argandoña1, Joseba Mendiguren1, Rafael Ortubay1, Xabier Agirretxe2, José Miguel Martín2 1Mechanical and Manufacturing Department, Mondragon University, Loramendi 4,20500 Mondragon, Gipuzkoa, Spain.2Batz S. Coop., Torrea Auzoa, 2, 48140 Igorre, Bizkaia, Spain. DOI: https://doi.org/10.7494/cmms.2015.1.0503 Abstract: During hot forming and tailor … Read more

Competition between Kirkendall shift and Frenkel effect during 2D diffusion process

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Competition between Kirkendall shift and Frenkel effect during 2D diffusion process Bartek Wierzba, Patrycja Wierzba Rzeszow University of Technology, al. Powstańców Warszawy 12, 35-959, Rzeszów, Poland. DOI: https://doi.org/10.7494/cmms.2015.1.0519 Abstract: In this paper numerical description of the interdiffusion process where the competition between the Kirkendall shift and Frenkel effect is showed. The vacancy generation and voids … Read more

Artificial neural networks and response surface methodology as a tool for analysis the spindle torque in FSP process

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Artificial neural networks and response surface methodology as a tool for analysis the spindle torque in FSP process Marek S. Węglowski Institute of Welding, Bl. Czesława Str. 16-18, 44-100 Gliwice. DOI: https://doi.org/10.7494/cmms.2015.1.0504 Abstract: The article presents the effect of rotational and travelling speeds and down force on the spindle torque acting on the tool in … Read more