About: Mechanical and Structural Changes of Repeatedly Remelted Aluminium Alloys

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Description	The article deals with repeated melting of RR350 aluminium alloy and its influence on mechanical characteristics of the alloy, chemical composition changes and structural changes of the alloy in cast state if cast by gravity cast into a permanent metal mould. Repeated melting of alloys is an integral part of foundry processes. Repeated melting is connected with costs reduction, which are connected with the economic crisis. Preparation of an alloy from used raw materials is accompanied by many problems connected with proper degassing and overall out of furnace metal refining, which has to be more proper than when new raw materials are used. The quality of a few times repeatedly melted alloy is low. This material contains a higher amount of gases, which it absorbs during re-oxidation and mould-metal contact. Repeatedly melted material contains a high amount of inclusions and foreign particles (sand). The article deals with repeated melting of RR350 aluminium alloy and its influence on mechanical characteristics of the alloy, chemical composition changes and structural changes of the alloy in cast state if cast by gravity cast into a permanent metal mould. Repeated melting of alloys is an integral part of foundry processes. Repeated melting is connected with costs reduction, which are connected with the economic crisis. Preparation of an alloy from used raw materials is accompanied by many problems connected with proper degassing and overall out of furnace metal refining, which has to be more proper than when new raw materials are used. The quality of a few times repeatedly melted alloy is low. This material contains a higher amount of gases, which it absorbs during re-oxidation and mould-metal contact. Repeatedly melted material contains a high amount of inclusions and foreign particles (sand). (en)
Title	Mechanical and Structural Changes of Repeatedly Remelted Aluminium Alloys Mechanical and Structural Changes of Repeatedly Remelted Aluminium Alloys (en)
skos:prefLabel	Mechanical and Structural Changes of Repeatedly Remelted Aluminium Alloys Mechanical and Structural Changes of Repeatedly Remelted Aluminium Alloys (en)
skos:notation	RIV/61989100:27360/10:86076492!RIV11-MSM-27360___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Břuska, Marek Lichý, Petr Cagala, Michal Hanus, Aleš
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	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	270117
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/10:86076492
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	aluminium alloys, thermomechanical properties, microstructure (en)
http://linked.open.../riv/klicoveSlovo	aluminium alloys microstructure thermomechanical properties
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[173945EF05CE]
http://linked.open...i/riv/nazevZdroje	Hutnické listy
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	LXIII
http://linked.open...iv/tvurceVysledku	Cagala, Michal Břuska, Marek Lichý, Petr Hanus, Aleš
issn	0018-8069
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	27360
is http://linked.open...avai/riv/vysledek of	Mechanical and Structural Changes of Repeatedly Remelted Aluminium Alloys Mechanical and Structural Changes of Repeatedly Remelted Aluminium Alloys Mechanical and Structural Changes of Repeatedly Remelted Aluminium Alloys

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