About: Constraint aspects of the evaluation of fatigue test results in Paris region

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	V článku je poukázáno na možnost eliminace závislosti experimentálních dat na geometrii tělesa a diskutována otázka přenositelnosti těchto dat z malých laboratorních vzorků na velká tělesa. Je zdůrazněn význam constraintu pro zvýšení spolehlivosti odhadů životnosti těles s trhlinami. (cs) The growth of the fatigue crack is depending on the crack growth resistance of the material as a bulk property. The fatigue crack growth properties of a material are usually described by the correlation between crack propagation rate, and corresponding range of the stress intensity factor (Paris-Erdogan law). Formulated modified Paris-Erdogan law estimate quantitatively the changes of the fatigue crack propagation rate due to different level of constraint. In-plain constraint was described by T-stress value. The validity of the approach suggested has been proved by the comparison of measured and calculated values of the crack propagation rate and it was found that experimental values correspond well with those numerically predicted. The results presented makes it possible to relate experimentally measured data obtained from specimens with different geometries and thus contribute to more reliable estimates of residual fatigue life of structures. The growth of the fatigue crack is depending on the crack growth resistance of the material as a bulk property. The fatigue crack growth properties of a material are usually described by the correlation between crack propagation rate, and corresponding range of the stress intensity factor (Paris-Erdogan law). Formulated modified Paris-Erdogan law estimate quantitatively the changes of the fatigue crack propagation rate due to different level of constraint. In-plain constraint was described by T-stress value. The validity of the approach suggested has been proved by the comparison of measured and calculated values of the crack propagation rate and it was found that experimental values correspond well with those numerically predicted. The results presented makes it possible to relate experimentally measured data obtained from specimens with different geometries and thus contribute to more reliable estimates of residual fatigue life of structures. (en)
Title	Constraint aspects of the evaluation of fatigue test results in Paris region Vliv constraintu na stanovení únavových charakteristik v Parisově oblasti (cs) Constraint aspects of the evaluation of fatigue test results in Paris region (en)
skos:prefLabel	Constraint aspects of the evaluation of fatigue test results in Paris region Vliv constraintu na stanovení únavových charakteristik v Parisově oblasti (cs) Constraint aspects of the evaluation of fatigue test results in Paris region (en)
skos:notation	RIV/68081723:_____/06:00045423!RIV07-AV0-68081723
http://linked.open.../vavai/riv/strany	25;28
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GP101/04/P001), P(GP106/06/P239), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Knésl, Zdeněk Seitl, Stanislav Hutař, Pavel
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	469644
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/06:00045423
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	constraint; T-stress; fatigue crack growth (en)
http://linked.open.../riv/klicoveSlovo	T-stress constraint fatigue crack growth
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[0EF6FDB66DBF]
http://linked.open...i/riv/nazevZdroje	Komunikácie
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	The influence of constraint on threshold values of the stress intensity factor The effect of free surface on fatigue crack growth
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	8
http://linked.open...iv/tvurceVysledku	Hutař, Pavel Knésl, Zdeněk Seitl, Stanislav
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
issn	1335-4205
number of pages	4 (xsd:int)

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