About: Thermally activated transformations in metastable alumina coatings prepared by magnetron sputtering

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1016/j.surfcoat.2013.12.004
Description	The present study focuses on characterization of transformation processes and understanding of transformation phenomena in magnetron sputtered alumina coatings with different as-deposited structures. Phase transformation sequences with thermodynamic and kinetic data were systematically analyzed by means of differential scanning calorimetry and ex-situ X-ray diffraction. It was found that thermal stability of a pure gamma-phase as-deposited structure exceeds 1100 °C. On the contrary, an amorphous as-deposited structure is thermally stable to approximately 900 °C when the amorphous to gamma phase transformation starts proceeding. Independently of as-deposited structure, the metastable gamma phase transforms to the stable alpha phase at temperature of approximately 1200 °C. Further, it was shown that the changes in transformation enthalpies for all observed transformations are close to each other while the kinetic of the phase transformations is influenced by the as-deposited structure of the coatings. The present study focuses on characterization of transformation processes and understanding of transformation phenomena in magnetron sputtered alumina coatings with different as-deposited structures. Phase transformation sequences with thermodynamic and kinetic data were systematically analyzed by means of differential scanning calorimetry and ex-situ X-ray diffraction. It was found that thermal stability of a pure gamma-phase as-deposited structure exceeds 1100 °C. On the contrary, an amorphous as-deposited structure is thermally stable to approximately 900 °C when the amorphous to gamma phase transformation starts proceeding. Independently of as-deposited structure, the metastable gamma phase transforms to the stable alpha phase at temperature of approximately 1200 °C. Further, it was shown that the changes in transformation enthalpies for all observed transformations are close to each other while the kinetic of the phase transformations is influenced by the as-deposited structure of the coatings. (en)
Title	Thermally activated transformations in metastable alumina coatings prepared by magnetron sputtering Thermally activated transformations in metastable alumina coatings prepared by magnetron sputtering (en)
skos:prefLabel	Thermally activated transformations in metastable alumina coatings prepared by magnetron sputtering Thermally activated transformations in metastable alumina coatings prepared by magnetron sputtering (en)
skos:notation	RIV/49777513:23520/14:43921137!RIV15-GA0-23520___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP108/12/0393)
http://linked.open...iv/cisloPeriodika	240
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Zeman, Petr Musil, Jindřich Čerstvý, Radomír Blažek, Jakub Prokšová, Šárka
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	Západočeská univerzita v Plzni / Fakulta aplikovaných věd
http://linked.open...dnocenehoVysledku	50362
http://linked.open...ai/riv/idVysledku	RIV/49777513:23520/14:43921137
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	sputtering; differential scanning calorimetry; phase transformations; metastable phases; Alumina coatings (en)
http://linked.open.../riv/klicoveSlovo	sputtering phase transformations differential scanning calorimetry Alumina coatings metastable phases
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[EDAE4359D9A4]
http://linked.open...i/riv/nazevZdroje	Surface & Coatings Technology
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Hard nanocomposite coatings with enhanced toughness and unique properties
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	2014
http://linked.open...iv/tvurceVysledku	Musil, Jindřich Zeman, Petr Čerstvý, Radomír Blažek, Jakub Zuzjaková, Šárka
http://linked.open...ain/vavai/riv/wos	000331989900002
issn	0257-8972
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.surfcoat.2013.12.004
http://localhost/t...ganizacniJednotka	23520

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