About: Statistical aspects of brittle fracture toughness in low-alloyed steels

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper presents a method for quantifying probability of brittle fracture in low alloy steels. The proposed method shows how the probability of brittle fracture varies with stress intensity factor, temperature, deformation characteristics and microstructural parameters of low-alloyed steel. Application of this method on Ni-Cr steel demonstrated very good agreement of predicted temperature dependence of scatter in brittle fracture toughness with experimental results. The method enables also to calculate characteristic distance as a radial dimension from the crack tip where microcrack initiation is most probable. The characteristic distance of investigated Ni-Cr steel was found to decrease with increasing temperature. Microstructural mechanisms of initiation and propagation of brittle fracture were identified from results of fractography analysis. The proposed procedure represents a foundation for systematic control of relationship between stress-strain behaviors, toughness and reliability of steel e This paper presents a method for quantifying probability of brittle fracture in low alloy steels. The proposed method shows how the probability of brittle fracture varies with stress intensity factor, temperature, deformation characteristics and microstructural parameters of low-alloyed steel. Application of this method on Ni-Cr steel demonstrated very good agreement of predicted temperature dependence of scatter in brittle fracture toughness with experimental results. The method enables also to calculate characteristic distance as a radial dimension from the crack tip where microcrack initiation is most probable. The characteristic distance of investigated Ni-Cr steel was found to decrease with increasing temperature. Microstructural mechanisms of initiation and propagation of brittle fracture were identified from results of fractography analysis. The proposed procedure represents a foundation for systematic control of relationship between stress-strain behaviors, toughness and reliability of steel e (en)
Title	Statistical aspects of brittle fracture toughness in low-alloyed steels Statistical aspects of brittle fracture toughness in low-alloyed steels (en)
skos:prefLabel	Statistical aspects of brittle fracture toughness in low-alloyed steels Statistical aspects of brittle fracture toughness in low-alloyed steels (en)
skos:notation	RIV/61989100:27360/02:00006963!RIV/2003/GA0/273603/N
http://linked.open.../vavai/riv/strany	319-326
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA101/00/0170)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Strnadel, Bohumír
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	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	665019
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/02:00006963
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Fractography, Micromechanics, Crack Propagation, Probabilistic Method, Brittle Fracture, Fracture Toughness (en)
http://linked.open.../riv/klicoveSlovo	Fractography Fracture Toughness Brittle Fracture Micromechanics Probabilistic Method Crack Propagation
http://linked.open...odStatuVydavatele	JP - Japonsko
http://linked.open...ontrolniKodProRIV	[198EA1ED1D3A]
http://linked.open...i/riv/nazevZdroje	Japan Society of Mechanical Engineering International Journal
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	The transferability of fracture toughness characteristics from point a view of integrity of components with defects
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	45
http://linked.open...iv/tvurceVysledku	Strnadel, Bohumír Prioul, C. Nedbal, I. Shiratori, M.
issn	0916-1821
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	27360

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