Influence of Al and Ti on microstructure and quality of compacted graphite iron castings

Influence of Al and Ti on microstructure and quality of compacted graphite iron castings

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dc.contributor.author	Elbel, Tomáš
dc.contributor.author	Hampl, Jiří
dc.date.accessioned	2009-09-25T07:38:55Z
dc.date.available	2009-09-25T07:38:55Z
dc.date.issued	2009
dc.identifier.citation	Metalurgija = Metallurgy. 2009, g. 48, br. 4, s. 243-247.	en
dc.identifier.issn	0543-5846
dc.identifier.issn	1334-2576
dc.identifier.uri	http://hdl.handle.net/10084/76078
dc.description.abstract	The contribution is aimed at study of influence of chemical composition of compacted graphite cast iron (CGI) on microstructure and surface quality of castings, particularly on the occurrence of pinholes. It has been found out that aluminium and titanium in CGI effect the formation of this defect in castings. Aluminium content in the range of 0,02 up to 0,1 % is critical. Increased occurrence of pinholes was also determined with Ti contents above 0,1%. On the same set of experimental castings it has been found out that increased contents of those elements on the other hand support the crystallization of compacted graphite. But the utilization of that method for control of CGI microstructure is limited with a possibility of formation of surface defects in castings – pinholes, but also coldshuts and shrinkage cavities.	en
dc.format.extent	939056 bytes	cs
dc.format.mimetype	application/pdf	cs
dc.language.iso	en	en
dc.publisher	Hrvatsko Metalurško Društvo	en
dc.relation.ispartofseries	Metalurgija = Metallurgy	en
dc.relation.uri	http://hrcak.srce.hr/file/60785	en
dc.subject	cast iron crystallization	en
dc.subject	pinholes	en
dc.subject	compacted graphite	en
dc.subject	kristalizacija lijevanog željeza	en
dc.subject	pore	en
dc.subject	vermikularni grafit	en
dc.title	Influence of Al and Ti on microstructure and quality of compacted graphite iron castings	en
dc.title.alternative	Utjecaj aluminija i titana na mikrostrukturu i kvalitetu željeznih odljevaka s udjelom vermikularnog grafita	en
dc.type	article	en
dc.identifier.location	Není ve fondu ÚK	en
dc.description.abstract-en	Rad istražuje utjecaj kemijskog sastava odljevaka čelika s udjelom vermikularnog grafita na njihovu mikrostrukturu i površinska svojstva, osobito pri pojavi poroznosti. Utvrden je utjecaj aluminija i titana na nastanak pora u odljevcima. Kritičan je udio aluminija izmedu 0,02 i 0,1%. Takoder, pore su učestalije pri udjelu titana iznad 0,1%. Na istim uzorcima eksperimentalnih odljevaka utvrdeno je i kako povišeni udjeli ovih elemenata istodobno potpomažu kristalizaciju vermikulanog grafita. Primjena metode za kontrolu mikrostrukture odljevaka s vermikularnim grafitom (CGI) limitirana je, uz mogućnost pojave površinskih nedostataka odljevaka u vidu pora, hladnih zavara i šupljina nastalih skupljanjem.	en
dc.rights.access	openAccess
dc.type.version	publishedVersion
dc.identifier.wos	000267255800007

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