About: Influence of cement moulding sands on the structure of castings

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In the interface between cement cores and iron with flake graphite were certified generation of komplex allied substances - on the base Si, Fe, Al, O and Ca. These complex allied substances originate as a result of chemical reactions between molten metal and cement sand. In many cases FeS has been found. Its occurrence is evoked by CaSO4 (Bassanite) from Portland cement. Elements such as Si, Al, Ca and Fe may be released by thermal dissociation from products of cement setting. Created mathematical model proved influence of temperature and chemical composition of liquid metal on occurrence of mechanical penetration in this case. With increasing temperature and higher content of carbon in cast iron is chance of mechanical penetration higher. Average grain size of opening material is remarkable too. The higher content of sulphur is dangerous for castings of nodular iron. In additional trials the rest content of magnesium was liquidated by this element and particles of flake graphite and other forms of gr In the interface between cement cores and iron with flake graphite were certified generation of komplex allied substances - on the base Si, Fe, Al, O and Ca. These complex allied substances originate as a result of chemical reactions between molten metal and cement sand. In many cases FeS has been found. Its occurrence is evoked by CaSO4 (Bassanite) from Portland cement. Elements such as Si, Al, Ca and Fe may be released by thermal dissociation from products of cement setting. Created mathematical model proved influence of temperature and chemical composition of liquid metal on occurrence of mechanical penetration in this case. With increasing temperature and higher content of carbon in cast iron is chance of mechanical penetration higher. Average grain size of opening material is remarkable too. The higher content of sulphur is dangerous for castings of nodular iron. In additional trials the rest content of magnesium was liquidated by this element and particles of flake graphite and other forms of gr (en)
Title	Influence of cement moulding sands on the structure of castings Influence of cement moulding sands on the structure of castings (en)
skos:prefLabel	Influence of cement moulding sands on the structure of castings Influence of cement moulding sands on the structure of castings (en)
skos:notation	RIV/00216305:26210/10:PU88144!RIV11-GA0-26210___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA106/08/0270)
http://linked.open...iv/cisloPeriodika	No.3
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Rusín, Karel Tomek, Ladislav Stachovec, Ivo
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	263564
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/10:PU88144
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Cement Sand, Interaction, Gray Cast Iron, Nodular Iron, Complex Allied Substances (en)
http://linked.open.../riv/klicoveSlovo	Interaction Cement Sand Complex Allied Substances Gray Cast Iron Nodular Iron
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[7E1487A2198E]
http://linked.open...i/riv/nazevZdroje	International Foundry Research
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Processes of conversion of hydraulically setting composites with modified plasticity
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	62 (2010)
http://linked.open...iv/tvurceVysledku	Tomek, Ladislav Stachovec, Ivo Rusín, Karel
issn	0046-5933
number of pages	45 (xsd:int)
http://localhost/t...ganizacniJednotka	26210

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