cmms

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

Calculation of the Fe-Fe3C phase equilibrium diagram

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Calculation of the Fe-Fe3C phase equilibrium diagram Henryk Adrian, Przemysław Marynowski, Dariusz Jędrzejczyk AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków. DOI: https://doi.org/10.7494/cmms.2015.1.0520 Abstract: In heat treatment processes of steel the very important role plays the Fe-Fe3C phase equilibrium diagram. It enables the selection of the temperature of austenitisation in respect to … Read more

Efficient cellular automata model for prediction of damage of hot forging tools due to thermal fatigue

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Efficient cellular automata model for prediction of damage of hot forging tools due to thermal fatigue Paweł Nowak, Łukasz Rauch AGH – University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2014.4.0491 Abstract: The paper presents design and implementation of the cellular automata model, which predicts damage of forging tools due to fatigue. … Read more

Identification of the static recrystallization cellular automata model parameters based on inverse analysis

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Identification of the static recrystallization cellular automata model parameters based on inverse analysis Mateusz Sitko1, Łukasz Madej1, Roman Kuziak2 1Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, 30 Mickiewicza Ave., 30-059 Kraków, Poland.2Institute for Ferrous Metallurgy, 12-14 Karola Miarki St., 44-100 Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2014.4.0492 Abstract: Development of the … Read more

Metamodel of the plane strain compression test as a replacement of fe model in the inverse analysis

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Metamodel of the plane strain compression test as a replacement of fe model in the inverse analysis Łukasz Sztangret, Mateusz Sztangret, Jan Kusiak, Maciej Pietrzyk AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2014.4.0493 Abstract: The paper presents the application of plane strain compression (PSC) test to the identification of … Read more

Application of the diffusion equation to modeling phase transformation during cooling of pearlitic steel

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Application of the diffusion equation to modeling phase transformation during cooling of pearlitic steel Monika Pernach AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2014.4.0494 Abstract: Exploitation properties of rails are formed by controlled heat treatment of the head of the rail carried out after rolling. Complex cooling schedules have … Read more