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    Wyświetlanie 1-3 z 3
    Tytuł:
    Analysis of the Graphite Shape in Cast Iron Obtaining by Inmold Process
    Autorzy:
    Gumienny, G.
    Kurowska, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/381705.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    theory of crystallization
    inmold process
    graphite shape
    teoria krystalizacji
    technologia inmold
    żeliwo sferoidalne
    Opis:
    The paper presents results of research on the effect of magnesium on the graphite shape in cast iron obtained by Inmold process. For testing Lamet® 5504 master alloy was used. The crystallization process of cast iron with various Mg concentrations was evaluated with use of the thermal and derivative analysis (TDA) method. The conditions were demonstrated for which a flake, vermicular and nodular graphite were obtained. Values of graphite “c” coefficient were analyzed. Results from it the significant differences between the assessment of the graphite on metallographic specimen and by the "c" coefficient. An effect of wall thickness of the casting on the graphite coefficient was indicated.
    Źródło:
    Archives of Foundry Engineering; 2015, 15, 3 spec.; 15-20
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Wall Thickness on the Microstructure of Ductile Iron Castings Manufactured by the Inmold Process Using a Reaction Chamber
    Autorzy:
    Kamińska, J.
    Angrecki, M.
    Stefański, Z.
    Palma, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/382183.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    ductile iron
    inmold process
    reaction chamber
    vertical mould parting plane
    cast iron microstructure
    żeliwo sferoidalne
    technologia inmold
    komora reakcyjna
    mikrostruktura żeliwa
    Opis:
    In the family of iron-based alloys, ductile iron enjoys the highest rate of development, finding application in various industries. Ductile iron or the cast iron with spheroidal graphite can be manufactured by various methods. One of them is the Inmold spheroidization process characterized by different technological solutions, developed mainly to increase the process efficiency. So far, however, none of the solutions has been based on the use of a reactor made outside the casting mould cavity. The method of spheroidization inside the casting mould using a reaction chamber developed at the Foundry Research Institute is an innovative way of cast iron treatment. The innovative character of this method consists in the use of properly designed and manufactured reactor placed in the casting mould cavity. Owing to this solution, the Inmold process can be carried out in moulds with both horizontal and vertical parting plane. The study presents the results of examinations of the microstructure of graphite precipitates and metal matrix of castings after spheroidization carried out by the Inmold process using a reactor and mould with vertical parting plane. Special pattern assembly was made for the tests to reproduce plates with wall thicknesses of 3; 5; 7; 10; 20 and 30 mm. The content of residual magnesium was determined for all tested castings, while for castings of plates with a wall thickness equal to or larger than 10 mm, testing of mechanical properties was additionally performed.
    Źródło:
    Archives of Foundry Engineering; 2018, 18, 4; 50-54
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of master alloy amount and gating system design for ductile cast iron obtain in lost foam process
    Autorzy:
    Just, P.
    Kaczorowski, R.
    Pacyniak, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/379923.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    innovative casting technologies
    ductile iron
    inmold method
    lost foam casting
    innowacyjna technologia odlewnicza
    żeliwo sferoidalne
    metoda in mold
    tracona piana
    Opis:
    The paper presents the optimization of master alloy amount for the high nodular graphite yield (80-90%) in cast iron obtain in lost foam process. The influence of the gating system configuration and the shape of the reaction chamber, the degree of spheroidisation cast iron was examined. Research has shown that the, optimal of master alloy amount of 1.5% by mass on casting iron. The degree of spheroidisation is also influenced by the gating system configuration. The best spheroidisation effect was obtained for liquid cast iron was fed into the reaction chamber from the bottom and discharged from the top.
    Źródło:
    Archives of Foundry Engineering; 2013, 13, 3; 43-46
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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