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    Wyświetlanie 1-4 z 4
    Tytuł:
    Model of Integral Assessment of Innovation Implementation in Higher Educational Establishments
    Autorzy:
    Yaremko, Svetlana A.
    Nikolina, Irina I.
    Kuzmina, Elena M.
    Pugach, Serghiy S.
    Wójcik, Waldemar
    Denissova, Nataliya
    Kozbakova, Ainur
    Powiązania:
    https://bibliotekanauki.pl/articles/226100.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    innovative educational environment
    integrated assessment
    mathematical model
    rating scale
    Opis:
    The concept of innovative educational environment of higher education establishment is considered and its main components are highlighted. The model of the integrated assessment of implementing innovations in higher education establishment is constructed. The developed model for assessing the level of development of the innovative educational environment of a specific higher education establishment during a certain period has been applied and a graphical analysis of the calculation results has been carried out.
    Źródło:
    International Journal of Electronics and Telecommunications; 2020, 66, 3; 417-423
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Aging Time Effects of the Pre-expanded Polystyrene on the Patterns Mechanical Properties
    Autorzy:
    Buczkowska, K.
    Pacyniak, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/381049.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    innovative casting technology
    Innovative casting material
    foundry
    lost foam
    model of polystyrene
    casting
    innowacyjna technologia odlewnicza
    innowacyjny materiał odlewniczy
    tracona piana
    polistyrenowy model odlewniczy
    Opis:
    The aging granulate is to activate the blowing agent during the manufacturing process to granulate models can re-expand and shape the model of well-sintered granules, smooth surface and a suitable mechanical strength. The article presents the results of studies which aim was to determine the optimum time for aging pre-foamed granules for pre-selected raw materials. The testing samples were shaped in an autoclave, with constant parameters sintering time and temperature. Samples were made at 30 minute intervals. Models have been subjected to flexural strength and hardness.
    Źródło:
    Archives of Foundry Engineering; 2015, 15, 1; 131-137
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of time and pressure of forming a pattern on mechanical properties
    Autorzy:
    Pacyniak, T.
    Buczkowska, K.
    Kaczorowski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/382163.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    innovative foundry technology
    innovative foundry material
    foundry engineering
    lost foam
    polystyrene pattern
    innowacyjna technologia odlewnicza
    innowacyjny materiał odlewniczy
    przemysł odlewniczy
    tracona piana
    styropianowy model odlewniczy
    Opis:
    In this paper, the technology of forming patterns on a research station equipped with an autoclave A-600 of Polish company GROM is presented. This study was conducted to determine the influence of pressure and time of forming a pattern on the bending strength. Analysis of the results confirmed that bending strength increases with increasing the pressure. The time of forming a pattern has a similar effect.
    Źródło:
    Archives of Foundry Engineering; 2011, 11, 3 spec.; 151-156
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The deformation of wax patterns and castings in investment casting technology
    Autorzy:
    Herman, A.
    Česal, M.
    Mikeš, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/382400.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    technologia informatyczna
    przemysł odlewniczy
    innowacyjne technologie odlewnicze
    innowacyjne materiały odlewnicze
    odlewanie precyzyjne
    model odlewniczy
    information technology
    foundry industry
    innovative foundry technologies
    innovative foundry material
    investment casting
    wax patterns
    Opis:
    The dimensional accuracy of the final casting of Inconel alloy 738 LC is affected by many aspects. One of them is the choice of method and time of cooling wax model for precision investment casting. The main objective was to study the initial deformation of the complex shape of the casting of the rotor blades. Various approaches have been tested for cooling wax pattern. When wax models are cooling on the air, without clamping in jig for cooling, deviations from the ideal shape of the casting are very noticeable (up to 8 mm) and most are in extreme positions of the model. When blade is cooled in fixing jig in water environment, the resulting deviations compared with cooling in air are significantly larger, sometimes up to 10 mm. This itself does not mean that the final shape of the casting is dimensionally more accurate with usage of wax models, which have deviations from the ideal position smaller. Another deformation occurs when shell mould is produced around wax pattern and furthermore deformations emerge while casting of blade is cooling. This paper demonstrates first steps in describing complex process of deformations of Inconel alloy blades produced with investment casting technology by comparing results from thermal imagery, simulations in foundry simulation software ProCAST 2010 and measurements from CNC scanning system Carl Zeiss MC 850. Conclusions are so far not groundbreaking, but it seems deformations of wax pattern and deformations of castings do in some cases cancel each other by having opposite directions. Describing entirely whole process of deformations will help increase precision of blade castings so that models at the beginning and blades in the end are the same.
    Źródło:
    Archives of Foundry Engineering; 2012, 12, 1; 37-42
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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