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Content available remote Influence analysis foamed polystyrene model on casting defects as well as microstructure ductile cast iron from Lost Foam process with Inmold method
100%
Just P. , Pacyniak T.
Archives of Foundry Engineering
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2011
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tom Vol. 11, iss. 3
155-158
EN
In this work was shown a influence analysis foamed polystyrene model on casting defects as well as microstructure ductile cast iron from Lost Foam process with Inmold method.
2
Content available remote Influence of reaction chamber shape on cast-iron spheroidization process in-mold
84%
Pietrowski S.
Archives of Foundry Engineering
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2010
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tom Vol. 10, iss. 1
115-122
EN
This paper presents a results concerning the influence of reaction chamber shape on cast - iron spheroidization process in form. The volume of the tested reaction chambers was about 118000mm3. Reaction chambers in the shape of: rectangular, cylinder and spherical cap were examined. It has been shown that the best graphite spheroidizing process was provided by spherical cap chamber shape. The reaction of cast – iron with magnesium in reaction chamber depends on the flow of cast - iron in the chamber. In rectangular and cylinder shape chambers proceed the impact of diphase stream on flat bottom wall. It causes the creation on its surface film, called: cast – iron "film", where single grains of magnesium master alloy exist. The largest part of master alloy is drifted by liquid cast – iron to the top and only there graphite spheroidization process proceed. In the spherical cap shape reaction chamber, as a result of rotation movement of liquid cast – iron throughout its volume, graphite spheroidization process proceed. Apart from the reaction chamber shape, applying of mixing chamber ensure full cast - iron spheroidization process.
3
Content available remote Ductile cast iron obtaining by Inmold method with use of LOST FOAM process
84%
Pacyniak T. , Kaczorowski R.
Archives of Foundry Engineering
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2010
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tom Vol. 10, iss. 1
101-104
EN
The possibility of manufacturing of ductile cast iron castings by Inmold method with use of LOST FOAM process was presented in this work. The spheroidization was carried out by magnesium master alloy in amounts of 1% casting mass. Nodulizer was located in the reactive chamber in the gating system made of foamed polystyrene. Pretests showed, that there are technical possibilities of manufacturing of casts from ductile cast iron in the LOST FOAM process with use of spheroidization in mould.
4
Content available The influence of the shape of the reaction chamber on spheroidisation of cast iron produced in the lost foam casting process with use of the inmold method
84%
Just P. , Pacyniak T.
Archives of Foundry Engineering
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2012
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tom Vol. 12, iss. 2
175-178
EN
The article presents the results of the research on the influence of the shape of reaction chamber on spheroidisation of cast iron produced with use of the inmold method. The amounts of nodular graphite precipitates in castings produced with the use of different reaction chambers have been compared.
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