Papers

Identification of phase transformation models for steels, based on dilatometric constant cooling rate tests Tomasz Kondek, Maciej Pietrzyk AGH University of Science and Technology, al. Adama Mickiewicza 30, 30-059 Kraków. DOI: https://doi.org/10.7494/cmms.2002.2.0025 Abstract: The work was inspired by the fact that commonly used isothermal dilatometric tests may give erroneous results. Application of the optimization techniques … Read more

Some Methods Of Processing And Feature Analysis Of Texture Images Zbigniew Rudnicki AGH University of Science and Technology, al. Adama Mickiewicza 30, 30-059 Kraków. DOI: https://doi.org/10.7494/cmms.2002.1.0014 Abstract: Pictures of texture have significant meaning in a number of disciplines in science and engineering, such as metallography and crystallography, tribology (pictures of slipping surfaces and particles produced … Read more

Determination of selected characteristics of steels, based on the type of the CCT diagram, using artificial neural networks Bogdan Pawłowski, Paweł Popowicz AGH University of Science and Technology, al. Adama Mickiewicza 30, 30-059 Kraków. DOI: https://doi.org/10.7494/cmms.2002.1.0019 Abstract: The paper focuses on classification of steels using the artificial neural network (ANN) approach. The steels are grouped … Read more

Numerical modeling of extrusion of profiles with application of dislocation density as an internal variable in the rheological material model Andrij Milenin Czestochowa University of Technology. DOI: https://doi.org/10.7494/cmms.2002.1.0020 Abstract: The problem of the simulation of rheological properties of metals is considered at numerical modeling processes of profile extrusion with high extrusion ratio. The existing ways … Read more

Modyfication of polynomial Bezier’s curves Bogusław Bożek, Prokop Środa AGH University of Science and Technology, al. Adama Mickiewicza 30, 30-059 Kraków. DOI: https://doi.org/10.7494/cmms.2002.1.0021 Abstract: The this paper some modification of polynomial Bezier curves is presented. By choise the vector n Î R3 and the parameter t Î (0, 1) one can influence significantly onto change … Read more

Identification of reasons of faults in casts as part of the quality control system Stanisława Kluska-Nawarecka1, Grzegorz Dobrowolski2, Robert Marcjan2, Edward Nawarecki2 1Instytut Odlewnictwa. 2AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2001.3.0011 Abstract: A proposition of the integrated expert diagnostic system is presented in the paper. The system is oriented towards diagnostics of the faults … Read more

Stabilization of FEM algorithm in application to heat transport equation with convection and internal heat source Zbigniew Malinowski AGH University of Science and Technology, al. Adama Mickiewicza 30, 30-059 Kraków. DOI: https://doi.org/10.7494/cmms.2001.3.0012 Abstract: Stability of FEM algorithms in applications to heat transport equation with convection and internal heat source has been investigated in the paper. … Read more

An effective and reliable implicit scheme for simulation of sheet metal forming processes Marek Kawka, Klaus-Jorgen Bathe Massachusetts Institue of Technology, USA. DOI: https://doi.org/10.7494/cmms.2001.3.0013 Abstract: A proposition of the integrated expert diagnostic system is presented in the paper. The system is oriented towards diagnostics of the faults in casts. All the procedures in the system … Read more

Numerical simulation of secondary oxide scale in hot rolling and descaling operations Michał Krzyżanowski, John Beynon, Michael Sellars The University of Sheffield, Department of Mechanical Engineering. DOI: https://doi.org/10.7494/cmms.2001.3.0014 Abstract: The research reported here concerns the behaviour of the oxide scale that on steels, undergoing hot rolling. By doing a closely-linked combination of laboratory testing and … Read more

Modeling of deep drawing of tailored blanks joint using laser welding Antoni Piela, Joanna Lisok Silesian University of Technology. DOI: https://doi.org/10.7494/cmms.2001.3.0015 Abstract: Application of welded sheet metal allows for significant decrease of the weight of the car body. Efficient design of the deep drawing technology for these sheets requires simulation of material deformation during industrial … Read more