About: Influence of Pores and Cracks Morphology on Mechanical Behavior of Thermally Sprayed Ceramics

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Pores and cracks have significant influence on the structural rigidity and mechanical behavior of the thermally sprayed materials. For some applications dense coatings are needed, while for others (e.g. thermal barriers) some level of porosity is desirable. Recent development in thermal spraying focuses on the tailored design of pores and cracks for specific applications. In this project, ceramic coatings with different level and morphology of pores and cracks were plasma and HVOF sprayed on titanium alloy substrates. Coating microstructures were observed using scanning electron microscopy. Mechanical behavior of the prepared coatings was evaluated using four-point bending test in terms of changing coating stiffness with increasing mechanical load both in compression and tension. Significant level of coating nonlinearity and hysteresis were observed. Tests carried out for coatings with the same chemical composition but different microstructure proved strong dependency. Pores and cracks have significant influence on the structural rigidity and mechanical behavior of the thermally sprayed materials. For some applications dense coatings are needed, while for others (e.g. thermal barriers) some level of porosity is desirable. Recent development in thermal spraying focuses on the tailored design of pores and cracks for specific applications. In this project, ceramic coatings with different level and morphology of pores and cracks were plasma and HVOF sprayed on titanium alloy substrates. Coating microstructures were observed using scanning electron microscopy. Mechanical behavior of the prepared coatings was evaluated using four-point bending test in terms of changing coating stiffness with increasing mechanical load both in compression and tension. Significant level of coating nonlinearity and hysteresis were observed. Tests carried out for coatings with the same chemical composition but different microstructure proved strong dependency. (en)
Title	Influence of Pores and Cracks Morphology on Mechanical Behavior of Thermally Sprayed Ceramics Influence of Pores and Cracks Morphology on Mechanical Behavior of Thermally Sprayed Ceramics (en)
skos:prefLabel	Influence of Pores and Cracks Morphology on Mechanical Behavior of Thermally Sprayed Ceramics Influence of Pores and Cracks Morphology on Mechanical Behavior of Thermally Sprayed Ceramics (en)
skos:notation	RIV/61389021:_____/10:00347289!RIV11-MSM-61389021
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(ME 901), Z(AV0Z20430508)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Matějíček, Jiří Mušálek, Radek
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	263750
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/10:00347289
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	APS coatings; HVOF and laser glazed coatings; influence of spray parameters; ceramic oxide layers; stiffness; fatigue and fracture (en)
http://linked.open.../riv/klicoveSlovo	ceramic oxide layers influence of spray parameters stiffness APS coatings HVOF and laser glazed coatings fatigue and fracture
http://linked.open...ontrolniKodProRIV	[FAC4214F6745]
http://linked.open...v/mistoKonaniAkce	Singapore
http://linked.open...i/riv/mistoVydani	Düsseldorf
http://linked.open...i/riv/nazevZdroje	ITSC 2010 – International Thermal Spray Conference & Exposition: Conference Proceedings
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/ME%20901
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Matějíček, Jiří Mušálek, Radek Pejchal, V. Mari, E. Sampath, S. Valarezo, A.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-05-03 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	DVS Media GmbH
https://schema.org/isbn	978-3-87155-590-9

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