About: Properties of biodegradable alloys usable for medical purposes

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Magnesium alloys are promising materials for production of biodegradable implants that may be used for fixation of fractured bones. Magnesium itself is an essential element that play important roles in many biological processes. However, some common alloying elements of magnesium alloys such as aluminium or copper may cause health problems for organism. A major problem is the high corrosion rate of magnesium and its alloys in physiological environment that contains chloride anions. Currently, the research focuses on alloys doped by rare earth elements (RE) and zinc. All these elements may slow down the corrosion process and affect the mechanical properties of alloys. This work was dealing with the study of Mg-Gd binary alloy and Mg-Gd-Y, Mg-Gd-Zn ternary alloys that were prepared from pure metals by melting in induction furnace. Various alloy compositions were tested. Corrosion behaviours in 9M NaCl saline environments (exposure tests, potentiodynamic measurements) were studied on alloys in the cast state. Good corrosion resistance and uniform corrosion was observed in the case of binary Mg-Gd alloy. Influence of the addition of Y or Zn to the Mg-Gd system is discussed. Magnesium alloys are promising materials for production of biodegradable implants that may be used for fixation of fractured bones. Magnesium itself is an essential element that play important roles in many biological processes. However, some common alloying elements of magnesium alloys such as aluminium or copper may cause health problems for organism. A major problem is the high corrosion rate of magnesium and its alloys in physiological environment that contains chloride anions. Currently, the research focuses on alloys doped by rare earth elements (RE) and zinc. All these elements may slow down the corrosion process and affect the mechanical properties of alloys. This work was dealing with the study of Mg-Gd binary alloy and Mg-Gd-Y, Mg-Gd-Zn ternary alloys that were prepared from pure metals by melting in induction furnace. Various alloy compositions were tested. Corrosion behaviours in 9M NaCl saline environments (exposure tests, potentiodynamic measurements) were studied on alloys in the cast state. Good corrosion resistance and uniform corrosion was observed in the case of binary Mg-Gd alloy. Influence of the addition of Y or Zn to the Mg-Gd system is discussed. (en)
Title	Properties of biodegradable alloys usable for medical purposes Properties of biodegradable alloys usable for medical purposes (en)
skos:prefLabel	Properties of biodegradable alloys usable for medical purposes Properties of biodegradable alloys usable for medical purposes (en)
skos:notation	RIV/60461373:22310/12:43894477!RIV13-MSM-22310___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	122
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kubásek, Jiří Vojtěch, Dalibor Čapek, Jaroslav
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 chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	162876
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/12:43894477
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	corrosion products; corrosion rate; mechanical properties; rare earth elements; magnesium (en)
http://linked.open.../riv/klicoveSlovo	mechanical properties corrosion products corrosion rate magnesium rare earth elements
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[F49CE5156681]
http://linked.open...i/riv/nazevZdroje	Acta Phys.Pol. A
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...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	3
http://linked.open...iv/tvurceVysledku	Kubásek, Jiří Vojtěch, Dalibor Čapek, Jaroslav
http://linked.open...ain/vavai/riv/wos	000309019200025
issn	0587-4246
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	22310

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