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://public.carnet.hr/metalurg/Metalurgija/2009_vol_48/No_4/MET_48_4_243_247_Elbel.pdf 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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