About: Microstructural Interpretation of Effective Fatigue Threshold of Structural Steel

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Description	In the case of plain strain conditions, the shear misfit of crack flanks causing the rough-ness-induced crack closure is determined by the asymmetry of configurations of crack-wake dislo-cations and by a low value of the size ratio SR (the plastic zone size/the characteristic microstruc-tural distance). The crack wake dislocations produce also the plasticity induced crack closure as a result of a near-tip mismatch perpendicular to crack flanks. These extrinsic shielding effects can be quantitatively estimated according to recently published theoretical concepts [1-3] that were ap-plied to the austenitic steel of Japan provenience in the threshold region of fatigue crack propaga-tion. Related fatigue experiments were based on a standard load shedding technique associated with monitoring of the crack closure level. The surface roughness was analysed by means of the optical chromatography that enables a 3D reconstruction of fracture morphology. Calculated and measured effective threshold values of about In the case of plain strain conditions, the shear misfit of crack flanks causing the rough-ness-induced crack closure is determined by the asymmetry of configurations of crack-wake dislo-cations and by a low value of the size ratio SR (the plastic zone size/the characteristic microstruc-tural distance). The crack wake dislocations produce also the plasticity induced crack closure as a result of a near-tip mismatch perpendicular to crack flanks. These extrinsic shielding effects can be quantitatively estimated according to recently published theoretical concepts [1-3] that were ap-plied to the austenitic steel of Japan provenience in the threshold region of fatigue crack propaga-tion. Related fatigue experiments were based on a standard load shedding technique associated with monitoring of the crack closure level. The surface roughness was analysed by means of the optical chromatography that enables a 3D reconstruction of fracture morphology. Calculated and measured effective threshold values of about (en)
Title	Microstructural Interpretation of Effective Fatigue Threshold of Structural Steel Microstructural Interpretation of Effective Fatigue Threshold of Structural Steel (en)
skos:prefLabel	Microstructural Interpretation of Effective Fatigue Threshold of Structural Steel Microstructural Interpretation of Effective Fatigue Threshold of Structural Steel (en)
skos:notation	RIV/00216305:26210/08:PU75869!RIV10-MSM-26210___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021630518)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Slámečka, Karel Pokluda, Jaroslav Šandera, Pavel Horníková, Jana
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	379340
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/08:PU75869
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Microstructure, Effective Fatigue Threshold, Structural Steel (en)
http://linked.open.../riv/klicoveSlovo	Microstructure Structural Steel Effective Fatigue Threshold
http://linked.open...ontrolniKodProRIV	[611D599AFD24]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	Multilevel Approach to Fracture of Materials, Components and Structures (ECF17)
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Pokluda, Jaroslav Slámečka, Karel Horníková, Jana Šandera, Pavel Kozák, Vladislav Kondo, Yoshiyuki
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2008-09-02 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Simulation modelling of mechatronics systems
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Vysoké učení technické v Brně. Nakladatelství VUTIUM
https://schema.org/isbn	978-80-214-3692-3
http://localhost/t...ganizacniJednotka	26210
is http://linked.open...avai/riv/vysledek of	Microstructural Interpretation of Effective Fatigue Threshold of Structural Steel Microstructural Interpretation of Effective Fatigue Threshold of Structural Steel Microstructural Interpretation of Effective Fatigue Threshold of Structural Steel Microstructural Interpretation of Effective Fatigue Threshold of Structural Steel

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