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Statements

Subject Item
n2:RIV%2F68407700%3A21340%2F12%3A00199903%21RIV13-MPO-21340___
rdf:type
skos:Concept n9:Vysledek
dcterms:description
Textural fractography consists in relating fatigue crack growth rate (CGR) with the image texture in SEM fractographs. Two improvements were finalized in 2010-2011: 1. Textural analysis based on 3D crack surface representation was proposed and tested on CT specimens made from aluminum alloy. Crack surfaces were documented by SEM images, and four methods of 3D reconstruction. Results based on 3D reconstruction from equidistantly focused optical images almost reached quality of standard analysis from SEM images. 2. A physical explanation of reference features was proposed. A common subset of image textures in fractographs of fatigue fractures, reference texture, is unambiguously linked with the reference crack growth rate. Reference features were found to be closely related to a parameter derived from successive sizes of cyclic plastic zone. In application on CT specimens from aluminum alloy loaded by 3 loading regimes, a maximal discrepancy of reference factors of about 20% was reached. Textural fractography consists in relating fatigue crack growth rate (CGR) with the image texture in SEM fractographs. Two improvements were finalized in 2010-2011: 1. Textural analysis based on 3D crack surface representation was proposed and tested on CT specimens made from aluminum alloy. Crack surfaces were documented by SEM images, and four methods of 3D reconstruction. Results based on 3D reconstruction from equidistantly focused optical images almost reached quality of standard analysis from SEM images. 2. A physical explanation of reference features was proposed. A common subset of image textures in fractographs of fatigue fractures, reference texture, is unambiguously linked with the reference crack growth rate. Reference features were found to be closely related to a parameter derived from successive sizes of cyclic plastic zone. In application on CT specimens from aluminum alloy loaded by 3 loading regimes, a maximal discrepancy of reference factors of about 20% was reached.
dcterms:title
Recent Developments in Textural Fractography of Fatigue Fractures Recent Developments in Textural Fractography of Fatigue Fractures
skos:prefLabel
Recent Developments in Textural Fractography of Fatigue Fractures Recent Developments in Textural Fractography of Fatigue Fractures
skos:notation
RIV/68407700:21340/12:00199903!RIV13-MPO-21340___
n9:predkladatel
n10:orjk%3A21340
n3:aktivita
n19:P
n3:aktivity
P(FR-TI2/447)
n3:dodaniDat
n4:2013
n3:domaciTvurceVysledku
n14:7434200
n3:druhVysledku
n6:D
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
164321
n3:idVysledku
RIV/68407700:21340/12:00199903
n3:jazykVysledku
n21:eng
n3:klicovaSlova
fractography; crack surface; image texture; crack growth rate; 3D reconstruction
n3:klicoveSlovo
n8:crack%20surface n8:crack%20growth%20rate n8:image%20texture n8:3D%20reconstruction n8:fractography
n3:kontrolniKodProRIV
[A137E39BFCED]
n3:mistoKonaniAkce
Gaeta
n3:mistoVydani
Parma
n3:nazevZdroje
Proceedings of the 4th International Conference on Crack Paths
n3:obor
n20:JL
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n15:FR-TI2%2F447
n3:rokUplatneniVysledku
n4:2012
n3:tvurceVysledku
Sekerešová, Z. Šiška, F. Lauschmann, Hynek
n3:typAkce
n18:WRD
n3:zahajeniAkce
2012-09-19+02:00
s:numberOfPages
8
n17:hasPublisher
University of Parma
n11:isbn
9788895940441
n22:organizacniJednotka
21340