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Wyszukujesz frazę "Sadłowska, Hanna" wg kryterium: Autor

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Soft modelling of the shaping of metal profiles in rapid tube hydroforming technology
    Autorzy:
    Sadłowska, Hanna
    Kochański, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/29520063.pdf
    Data publikacji:
    2022
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    rapid tube hydroforming
    RTH
    manufacturing
    constitutive modelling
    soft modelling
    finite element method
    FEM
    artificial neural networks
    ANN
    hydroformowanie rur
    produkcja
    modelowanie konstytutywne
    miękkie modelowanie
    metoda elementów skończonych
    MES
    sztuczne sieci neuronowe
    Opis:
    The paper presents an approach to the impact of process parameters in innovative RTH (Rapid Tube Hydroforming) technology for shaping closed metal profiles in flexible and deformable dies. In order to implement the assumed deformation of the deformed profile, the RTH technology requires the monitoring and control of numerous technological parameters, including geometric, material, and technological variables. The paper proposes a two-stage research procedure considering hard modelling (constitutive) and soft modelling (data-driven). Due to the complexity of the technological process, it was required to develop a numerical finite element method FEM model focused on obtaining the adequate profile deformation measured by the ellipsoidality of the cylindrical profile. Based on the results of the numerical experiments, a preliminary soft mathematical model using ANN was developed. Analysing the soft model results, several statistical hypotheses were made and verified to investigate the significance of selected process parameters. Thanks to this, it was possible to select the most important process parameters, i.e., the properties of moulding sands used for RTH dies: the angle of internal friction and cohesion.
    Źródło:
    Computer Methods in Materials Science; 2022, 22, 4; 201-210
    2720-4081
    2720-3948
    Pojawia się w:
    Computer Methods in Materials Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of the design of experiments and statistical hypothesis to reduce defects in the flange of the steel plate process
    Autorzy:
    Sadłowska, Hanna
    Wójcik, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/29520066.pdf
    Data publikacji:
    2022
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    laser cutting
    flanging
    fracture
    statistical hypotheses
    Opis:
    The paper presents a discussion on the occurrence of defects in the circumferential flange of steel plate. The numerous flange face defects have been analysed. The types of defects have been selected and categorized using an experimental planning procedure involving 600 samples for 24 different process variants, considering variables such as material, hole diameter, tool size and tool position. The analysis of experimental results enabled to determine of the optimal values of process parameters to minimize the occurrence of defects. Furthermore, the influence of individual parameters on the quality of the flange surface has been carried out to obtain the process parameters’ impact using statistical hypotheses. As a result, it was possible to develop rules which will be helpful in the design process, especially important when changing the material to be processed.
    Źródło:
    Computer Methods in Materials Science; 2022, 22, 3; 149-156
    2720-4081
    2720-3948
    Pojawia się w:
    Computer Methods in Materials Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Casting Mould for Rapid Tube Hydroforming Prototyping
    Autorzy:
    Kochański, Andrzej
    Sadłowska, Hanna
    Powiązania:
    https://bibliotekanauki.pl/articles/106987.pdf
    Data publikacji:
    2020
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    hydroforming
    casting mould
    rapid prototyping
    process numerical modelling
    hydroforming classification
    Opis:
    In recent years, hydroforming has clearly expanded its range of industrial applications due to the growing interest in products which combine high strength with low weight. A current limitation of this technology was its economically justified production volume since the costs of producing tools eliminates the possibility of using hydroforming technology in prototype and single part production. The paper presents a freshly patented solution that allows for single part hydroforming. The new technology combines traditional hydroforming machines with a new approach to tool production. The new rapid die is made quickly and cheaply. The use of materials known from the production of foundry moulds causes the die to deform during hydroforming, but it is a controlled deformation. Thanks to the use of numerical modelling, the deformation of the mould cavity is predicted and taken into account at the design stage. The article presents important issues that need to be considered in the design of this innovative process.
    Źródło:
    Journal of Casting & Materials Engineering; 2020, 4, 2; 29-33
    2543-9901
    Pojawia się w:
    Journal of Casting & Materials Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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