Month: January 2003

Optimization of drawbead position in sheet metal forming

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Optimization of drawbead position in sheet metal forming Artur Marczewski, Włodzimierz Sosnowski Instytut Podstawowych Problemów Techniki PAN, Świętokrzyska 21, 00-049 Warszawa. DOI: https://doi.org/10.7494/cmms.2003.1.0032 Abstract: In this paper the optimization of drawbead position based on sensitivity analysis is considered. The finite element simulation of sheet metal forming process and ?exact?, direct differentiation method (DDM) of sensitivity … Read more

Modelling of the influence of crystallographic texture evolution on the plastic anisotropy development and strain localization in metal sheets

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Modelling of the influence of crystallographic texture evolution on the plastic anisotropy development and strain localization in metal sheets Katarzyna Kowalczyk1, Wiktor Gambin2 1Instytut Podstawowych Problemów Techniki PAN, Warszawa. 2Wydział Mechatroniki Politechniki Warszawskiej, Warszawa. DOI: https://doi.org/10.7494/cmms.2003.1.0031 Abstract: Model of evolution of plastic anisotropy due to crystallographic texture development in metals subjected to large deformation processes … Read more

Methodology of solution of joint problems of modelling, identification and multi-criterion optimization in quality control for metallurgical processes

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Methodology of solution of joint problems of modelling, identification and multi-criterion optimization in quality control for metallurgical processes Ludmiła Dymowa, Paweł Sewastjanow Wydzia ł Inżynierii Mechanicznej i Informatyki Politechniki Częstochowskiej. DOI: https://doi.org/10.7494/cmms.2003.1.0033 Abstract: The related simulation, identification and optimization problems in technological development and product quality control in the metallurgical mini-plant are considered. It is … Read more

Influence of process variables on development of laser weld pool

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Influence of process variables on development of laser weld pool Aleksander Siwek, Tomasz Didenko AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2003.1.0034 Abstract: The mathematical model of laser beam melting of stainless steel is presented in the paper. It is shown that process of melting is mainly controlled by value of surface tension. For the … Read more

Computer image analysis in quantitative metallography

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Computer image analysis in quantitative metallography Jan Szala Katedra Nauki o Materialach, Politechnika Śląska, Krasińskiego 8, 40-019 Katowice. DOI: https://doi.org/10.7494/cmms.2003.1.0035 Abstract: The computer image analysis is performed on digital images consisting from pixels, their values, in certain scale, correspond to a mean grey level or colour of metalographic microsection area represented by a given pixel. … Read more