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Statements

Subject Item
n2:RIV%2F61389021%3A_____%2F05%3A00374706%21RIV12-AV0-61389021
rdf:type
skos:Concept n14:Vysledek
dcterms:description
Fatigue behavior and Young’s modulus of plasma sprayed gray alumina on low-carbon steel substrates were investigated. The investigation included the measurements of microhardness profile and residual stresses in coating and in substrate. Fatigued samples were observed with SEM to determine failure processes in the coating. The Young’s modulus of the coating was measured by the four-point bending method. Samples were tested both in tension and compression. Experiments revealed that the average fatigue lives of coated specimens were nearly 2 times longer than those of the uncoated specimens. The value of Young’s modulus of the coating varied between 27 and 53 GPa. Increase in the lifetime of coated samples was likely due to compressive residual stresses in the substrate, originating from the spray process. Failure of the coating consisted of several processes - splat cracking and/or debonding and coalescence of cracks through the voids in the coating. Fatigue behavior and Young’s modulus of plasma sprayed gray alumina on low-carbon steel substrates were investigated. The investigation included the measurements of microhardness profile and residual stresses in coating and in substrate. Fatigued samples were observed with SEM to determine failure processes in the coating. The Young’s modulus of the coating was measured by the four-point bending method. Samples were tested both in tension and compression. Experiments revealed that the average fatigue lives of coated specimens were nearly 2 times longer than those of the uncoated specimens. The value of Young’s modulus of the coating varied between 27 and 53 GPa. Increase in the lifetime of coated samples was likely due to compressive residual stresses in the substrate, originating from the spray process. Failure of the coating consisted of several processes - splat cracking and/or debonding and coalescence of cracks through the voids in the coating.
dcterms:title
Young’s Modulus and Fatigue Behaviour of Plasma Sprayed Alumina Coatings Young’s Modulus and Fatigue Behaviour of Plasma Sprayed Alumina Coatings
skos:prefLabel
Young’s Modulus and Fatigue Behaviour of Plasma Sprayed Alumina Coatings Young’s Modulus and Fatigue Behaviour of Plasma Sprayed Alumina Coatings
skos:notation
RIV/61389021:_____/05:00374706!RIV12-AV0-61389021
n3:aktivita
n6:P n6:Z
n3:aktivity
P(GA106/01/0094), Z(AV0Z20430508)
n3:cisloPeriodika
2
n3:dodaniDat
n16:2012
n3:domaciTvurceVysledku
n8:9990984 n8:5169828
n3:druhVysledku
n7:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
551632
n3:idVysledku
RIV/61389021:_____/05:00374706
n3:jazykVysledku
n9:eng
n3:klicovaSlova
alumina; fatigue; plasma spray; Young’s modulus; residual stresses
n3:klicoveSlovo
n4:residual%20stresses n4:alumina n4:plasma%20spray n4:fatigue n4:Young%E2%80%99s%20modulus
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[539E2569786D]
n3:nazevZdroje
Journal of Thermal Spray Technology
n3:obor
n10:JJ
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:projekt
n18:GA106%2F01%2F0094
n3:rokUplatneniVysledku
n16:2005
n3:svazekPeriodika
14
n3:tvurceVysledku
Kovářík, O. Nohava, Jiří Chráska, Pavel Siegl, J.
n3:wos
000229564700042
n3:zamer
n12:AV0Z20430508
s:issn
1059-9630
s:numberOfPages
8
n13:doi
10.1361/105996304523809