Temat: inmold process - Prolib Integro

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Tytuł:: Analysis of the Graphite Shape in Cast Iron Obtaining by Inmold Process
Autorzy:: Gumienny, G.
Kurowska, B.
Tematy:: theory of crystallization
inmold process
graphite shape
teoria krystalizacji
technologia inmold
żeliwo sferoidalne; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/381705.pdf Link otwiera się w nowym oknie
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.
Dostawca treści:: Biblioteka Nauki

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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.
Tematy:: ductile iron
inmold process
reaction chamber
vertical mould parting plane
cast iron microstructure
żeliwo sferoidalne
technologia inmold
komora reakcyjna
mikrostruktura żeliwa; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/382183.pdf Link otwiera się w nowym oknie
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.
Dostawca treści:: Biblioteka Nauki

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