About: Application of indentation as a retardation mechanism for fatigue crack growth

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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)

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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.ijfatigue.2011.09.012
Description	The aim of this study was to evaluate the influence of a mechanical impact applied in front of a crack tip on fatigue crack growth retardation. Many experiments and numerical simulations were conducted, and the methodology for the numerical evaluation of impact efficiency on fatigue life is stated. Data evaluation and analyses confirmed the expected crack growth retardation and lifetime enhancement. The impact energy, crack length and load level had a substantial effect on the retardation of crack growth. Under suitable conditions, the impact indentation technique can cause the full arrest of crack propagation. The efficiency of impact application as a crack stopper increased mainly because of the reduction in the stress intensity factor values. In some cases, this method can replace more conventional approaches, such as drilling or repair by bonded or mechanically joined patches. The aim of this study was to evaluate the influence of a mechanical impact applied in front of a crack tip on fatigue crack growth retardation. Many experiments and numerical simulations were conducted, and the methodology for the numerical evaluation of impact efficiency on fatigue life is stated. Data evaluation and analyses confirmed the expected crack growth retardation and lifetime enhancement. The impact energy, crack length and load level had a substantial effect on the retardation of crack growth. Under suitable conditions, the impact indentation technique can cause the full arrest of crack propagation. The efficiency of impact application as a crack stopper increased mainly because of the reduction in the stress intensity factor values. In some cases, this method can replace more conventional approaches, such as drilling or repair by bonded or mechanically joined patches. (en)
Title	Application of indentation as a retardation mechanism for fatigue crack growth Application of indentation as a retardation mechanism for fatigue crack growth (en)
skos:prefLabel	Application of indentation as a retardation mechanism for fatigue crack growth Application of indentation as a retardation mechanism for fatigue crack growth (en)
skos:notation	RIV/00010669:_____/12:#0001286!RIV13-MPO-00010669
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	April 2012
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Růžek, Roman Doubrava, Radek
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	Výzkumný a zkušební letecký ústav, a.s.
http://linked.open...dnocenehoVysledku	123323
http://linked.open...ai/riv/idVysledku	RIV/00010669:_____/12:#0001286
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Metal; Indentation; Impact; Crack growth; Retardation (en)
http://linked.open.../riv/klicoveSlovo	Impact Metal Crack growth Retardation Indentation
http://linked.open...odStatuVydavatele	GR - Řecká republika
http://linked.open...ontrolniKodProRIV	[EA7E4D530151]
http://linked.open...i/riv/nazevZdroje	International Journal of Fatigue
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	37
http://linked.open...iv/tvurceVysledku	Růžek, Roman Doubrava, Radek Pavlas, Jiří
http://linked.open...ain/vavai/riv/wos	000299911100011
issn	0142-1123
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.ijfatigue.2011.09.012

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