About: Analysis and Correction of the Hole-drilling Method Used for the Residual Stress Identification

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About: Analysis and Correction of the Hole-drilling Method Used for the Residual Stress Identification Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Principles of the current theories of the hole drilling method for evaluation of the residual stress were tested by the beams in bending. It was shown that considerable differences exist between the stress state estimated by the hole-drilling method and real stress state. 3D numerical models of the beams in bending and tension were created and the hole-drilling method was modelled. It was shown that thebasic base function used in the current theory for definition of the radial strain around the drilled hole, is not able to describle the distribution of the stress accurately. Therefore a new basic functions were suggested and tested. Using the new basic function a new method for estimation of the residual stresses was defined and verified. Principles of the current theories of the hole drilling method for evaluation of the residual stress were tested by the beams in bending. It was shown that considerable differences exist between the stress state estimated by the hole-drilling method and real stress state. 3D numerical models of the beams in bending and tension were created and the hole-drilling method was modelled. It was shown that thebasic base function used in the current theory for definition of the radial strain around the drilled hole, is not able to describle the distribution of the stress accurately. Therefore a new basic functions were suggested and tested. Using the new basic function a new method for estimation of the residual stresses was defined and verified. (en) Teorie odvrtávací metody pro identifikaci reziduálních napětí je formulována mezinárodně užívanou normou ASTM E837 , která zahrnuje pro ideální centrický vrtaný otvor tabulky cejchovacích konstant pokrývající typy vyráběných růžic, kde vyhodnocení signálů růžic probíhá podle teorie založené na Kirchově desce. Numerickými simulacemi odvrtávacího principu jsme poukázali na velkou citlivost vrtaného otvoru na jeho imperfekce, zejména jeho excentricitu vůči středu odvrtávací růžice. (cs)
Title	Analýza a zpřesnění odvrtávacího principu z hlediska identifikace zbytkové napjatosti (cs) Analysis and Correction of the Hole-drilling Method Used for the Residual Stress Identification Analysis and Correction of the Hole-drilling Method Used for the Residual Stress Identification (en)
skos:prefLabel	Analýza a zpřesnění odvrtávacího principu z hlediska identifikace zbytkové napjatosti (cs) Analysis and Correction of the Hole-drilling Method Used for the Residual Stress Identification Analysis and Correction of the Hole-drilling Method Used for the Residual Stress Identification (en)
skos:notation	RIV/68407700:21220/04:02104180!RIV/2005/GA0/212205/N
http://linked.open.../vavai/riv/strany	1 ; 4
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA106/02/0612)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Vítek, Karel Mareš, Tomáš Kolman, Radek Holý, Stanislav Daniel, Matej Španiel, Miroslav Doubrava, Karel
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	České vysoké učení technické v Praze / Fakulta strojní
http://linked.open...dnocenehoVysledku	554165
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/04:02104180
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Hole-drilling Method; Residual Stress (en)
http://linked.open.../riv/klicoveSlovo	Residual Stress Hole-drilling Method
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[8A4804A0FAAF]
http://linked.open...i/riv/nazevZdroje	Materiálové inžinierstvo
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	7 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Optimization of a forming process of thick-walled tubes and components in view of residual stresses and strains
http://linked.open...UplatneniVysledku	2004
http://linked.open...v/svazekPeriodika	11
http://linked.open...iv/tvurceVysledku	Mareš, Tomáš Španiel, Miroslav Daniel, Matej Kolman, Radek Vítek, Karel Doubrava, Karel Holý, Stanislav
issn	1335-0803
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	21220

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