About: Reconstruction and Evaluation of 3D Fracture Surface Morphology

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	V článku je detailně popsána metodika hodnocení morfologie únavových lomů. Metoda je založena na stereofotogrammetrické 3D rekonstrukci a následné Delaunayově triangulaci získané množiny povrchových bodů. Efektivita procedury je demonstrována na hodnocenílomových povrchů generovaných kombinací krutu a ohybu na vzorcích vysocepevné nízkolegované oceli Cr-Al-Mo. Lomové profily extrhované z vypočtené sítě jsou charakterizovány pomocí střední drsnosti a Hurstova exponentu. Hlavním výsledkem analýzy je zjištění kritické hodnoty 50% podílu torzní komponenty, nad níž se dramaticky mění lomová trajektorie. (cs) In the paper a procedure for evaluation of the fracture surface morphology is described in detail. It consists of the stereophotogrammetrical 3D surface reconstruction followed by the Delaunay triangulation of obtained set of surface points. The potential of the procedure is demonstrated using fracture surfaces generated under combined bending-torsion fatigue loading of specimens made from highstrength low-alloy Cr-Al-Mo steel. Fracture profiles extracted from calculated 3D meshes are characterized by the root mean square roughness and the Hurst exponent. As a main result of the analysis the critical portion of the torsion loading component after which the character of the crack path changes rapidly is estimated to be approximately 50%. In the paper a procedure for evaluation of the fracture surface morphology is described in detail. It consists of the stereophotogrammetrical 3D surface reconstruction followed by the Delaunay triangulation of obtained set of surface points. The potential of the procedure is demonstrated using fracture surfaces generated under combined bending-torsion fatigue loading of specimens made from highstrength low-alloy Cr-Al-Mo steel. Fracture profiles extracted from calculated 3D meshes are characterized by the root mean square roughness and the Hurst exponent. As a main result of the analysis the critical portion of the torsion loading component after which the character of the crack path changes rapidly is estimated to be approximately 50%. (en)
Title	Reconstruction and Evaluation of 3D Fracture Surface Morphology Reconstruction and Evaluation of 3D Fracture Surface Morphology (en) Rekonstrukce a hodnocení 3D morfologie únavových lomových povrchů (cs)
skos:prefLabel	Reconstruction and Evaluation of 3D Fracture Surface Morphology Reconstruction and Evaluation of 3D Fracture Surface Morphology (en) Rekonstrukce a hodnocení 3D morfologie únavových lomových povrchů (cs)
skos:notation	RIV/00216305:26210/07:PU71106!RIV08-MSM-26210___
http://linked.open.../vavai/riv/strany	1507-1513
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/05/0550), Z(MSM0021630518)
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Slámečka, Karel Pokluda, Jaroslav Šandera, Pavel
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	446743
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/07:PU71106
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Fatigue fracture morphology, high-strength steel, bending-torsion fatigue. (en)
http://linked.open.../riv/klicoveSlovo	Fatigue fracture morphology bending-torsion fatigue. high-strength steel
http://linked.open...ontrolniKodProRIV	[CA306AB8D6E0]
http://linked.open...v/mistoKonaniAkce	Miami, Florida
http://linked.open...i/riv/mistoVydani	Neuveden
http://linked.open...i/riv/nazevZdroje	Advances in Computational & Experimental Engineering and Sciences
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Application of Quantitative Fractography and Stereology to Crack Path Analysis in Biaxial Fatigue
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Pokluda, Jaroslav Ponížil, Petr Slámečka, Karel Šandera, Pavel
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2007-01-03 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Simulation modelling of mechatronics systems
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	0-9717880-3-0
http://localhost/t...ganizacniJednotka	26210
is http://linked.open...avai/riv/vysledek of	Reconstruction and Evaluation of 3D Fracture Surface Morphology Reconstruction and Evaluation of 3D Fracture Surface Morphology Reconstruction and Evaluation of 3D Fracture Surface Morphology

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