Papers

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

Intelligent interface for decision support system in metallurgical domain

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Intelligent interface for decision support system in metallurgical domain Krzysztof Regulski1, Gabriel Rojek1, Dorota Wilk-Kołodziejczyk1, Stanisława Kluska-Nawarecka2, Edward Nawarecki1, Grzegorz Dobrowolski1 1AGH University of Science and Technology, al. A. Mickiewicza 30, Krakow, Poland.2Foundry Research Institute, Zakopianska 73, Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2015.1.0505 Abstract: Extensive decision support system composed of several modules providing different functionalities for the … Read more

Optimization and application of gpu calculations in material science

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Optimization and application of gpu calculations in material science Grzegorz Korpała, Rudolf Kawalla Institute of Metal Forming, Technische Universität Bergakademie Freiberg, Bernhard-von-Cotta-Str.4 D-09599 Freiberg, Germany. DOI: https://doi.org/10.7494/cmms.2015.1.0521 Abstract: Modern Graphic Processing Units (GPU) provide in combination with a very fast Video Random Access Memory (VRAM) very high computational procedure, outrunning the conventional combination of a … Read more

Control of lead refining process with the use of case-based reasoning approach

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Control of lead refining process with the use of case-based reasoning approach Gabriel Rojek, Krzysztof Regulski, Piotr Jarosz, Jacek Gabryel, Jan Kusiak AGH University of Science and Technology, al. A. Mickiewicza 30, Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2015.1.0506 Abstract: Presented in this work research concerns pyrometallurgical method of lead refining process. The main objective of the considered … Read more

Multi-frontal parallel direct solver for one dimensional isogeometric collocation method

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Multi-frontal parallel direct solver for one dimensional isogeometric collocation method Paweł Lipski, Maciej Paszyński AGH University of Science and Technology, al. Mickiewicza 30, Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2015.1.0522 Abstract: In this paper we present a new multi-frontal solver for the isogeometric collocation method (ISO-C) on GPU. The ISO-C method constitutes an alternative for the isogeometric finite … Read more