About: Atomic force microscopy study of the early fatigue damage

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The possibilities of atomic force microscopy in studying surface features and early fatigue damage in materials are reviewed. Examples of a true relief arising on the surface of cyclically strained materials as recorded by atomic force microscopy are given. Characteristic features of the surface relief are well-defined persistent slip markings consisting of extrusions and intrusions. The shape of extrusions and intrusions can be obtained by observation of metal surface and replicas and in combination with high resolution scanning electron microscopy. The growth of extrusions during fatigue life is reported for austenitic and ferritic stainless steels. The experimental data are compared with models of the localized cyclic plastic straining and predictions of the fatigue crack nucleation models. The possibilities of atomic force microscopy in studying surface features and early fatigue damage in materials are reviewed. Examples of a true relief arising on the surface of cyclically strained materials as recorded by atomic force microscopy are given. Characteristic features of the surface relief are well-defined persistent slip markings consisting of extrusions and intrusions. The shape of extrusions and intrusions can be obtained by observation of metal surface and replicas and in combination with high resolution scanning electron microscopy. The growth of extrusions during fatigue life is reported for austenitic and ferritic stainless steels. The experimental data are compared with models of the localized cyclic plastic straining and predictions of the fatigue crack nucleation models. (en) Je podán přehled o možnostech mikroskopie atomárních sil (AFM) pro studium ranných stadií únavového poškození. Jsou uvedeny příklady povrchového reliéfu na cyklicky deformovaných materiálech získané AFM. Charakteristickým rysem povrchového reliéfu jsou perzistentní skluzové stopy sestávající z extruzí a intruzí. Tvar extruzí a intruzí byl získám pozorováním povrchu kovu i repliky v kombinacis vysokorozlišovací reastrovací elektronovou mikroskopií. Je ukázán růst extruzí v austenitické a feritické oceli během únavového života. Experimentální údaje jsou srovnány s modely lokalizované plastické deformace a s predikcemi modelů nukleace únavových trhlin. (cs)
Title	Atomic force microscopy study of the early fatigue damage Atomic force microscopy study of the early fatigue damage (en) Studium ranného únavového poškození pomocí mikroskopu atomárních sil (cs)
skos:prefLabel	Atomic force microscopy study of the early fatigue damage Atomic force microscopy study of the early fatigue damage (en) Studium ranného únavového poškození pomocí mikroskopu atomárních sil (cs)
skos:notation	RIV/68081723:_____/05:00024827!RIV06-AV0-68081723
http://linked.open.../vavai/riv/strany	45;50
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA2041201), P(IBS2041001), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Obrtlík, Karel Polák, Jaroslav Man, Jiří
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	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	513289
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/05:00024827
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Atomic force microscopy (AFM); Fatigue damage; Extrusion, Intrusion (en)
http://linked.open.../riv/klicoveSlovo	Atomic force microscopy (AFM) Intrusion Extrusion Fatigue damage
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[E3720F6FD87D]
http://linked.open...i/riv/nazevZdroje	Materials Science Forum
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...vavai/riv/projekt	Mechanism of fatigue damage in natural composites Degradation of properties and lifetime assessment of engineering materials under mechanical loading
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	482 2005
http://linked.open...iv/tvurceVysledku	Man, Jiří Obrtlík, Karel Polák, Jaroslav
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
issn	0255-5476
number of pages	6 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Atomic force microscopy study of the early fatigue damage

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