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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F14%3A00435418%21RIV15-GA0-68081723
rdf:type
skos:Concept n20:Vysledek
dcterms:description
In-situ Low Cycle Fatigue test (LCF) at temperature 635 °C have been performed in Scanning Electron Microscope (SEM) equipped with Electron Backscatter Diffraction analysis (EBSD) on a small dog-bone-shaped specimen of cast Inconel 713LC superalloy. The aim of the work was to study early stage fatigue damage at high temperature by the observations of the characteristic surface relief evolution and crystallographic characterization changes by EBSD. The detail of slip bands shape was checked by FIB and AFM microscopes. The LCF test was conducted on GATAN stage with pre tilted position and constant stress amplitude of total cycle number of 20. The relief produced in the first cycle determines the other locations of the localized cyclic slip to the primary slip planes (111). The relief was modified in the next cycles but without forming additionally new slip traces in the primary system. Based on EBSD analysis before and after LCF, the orientation of two grains was changed which caused activation of second slip system. The damage mechanism evolution is closely connected with the cyclic strain localization to the persistent slip bands where the fatigue cracks were initiated. In-situ Low Cycle Fatigue test (LCF) at temperature 635 °C have been performed in Scanning Electron Microscope (SEM) equipped with Electron Backscatter Diffraction analysis (EBSD) on a small dog-bone-shaped specimen of cast Inconel 713LC superalloy. The aim of the work was to study early stage fatigue damage at high temperature by the observations of the characteristic surface relief evolution and crystallographic characterization changes by EBSD. The detail of slip bands shape was checked by FIB and AFM microscopes. The LCF test was conducted on GATAN stage with pre tilted position and constant stress amplitude of total cycle number of 20. The relief produced in the first cycle determines the other locations of the localized cyclic slip to the primary slip planes (111). The relief was modified in the next cycles but without forming additionally new slip traces in the primary system. Based on EBSD analysis before and after LCF, the orientation of two grains was changed which caused activation of second slip system. The damage mechanism evolution is closely connected with the cyclic strain localization to the persistent slip bands where the fatigue cracks were initiated.
dcterms:title
IN-SITU HIGH TEMPERATURE LOW CYCLE FATIGUE STUDY IN-SITU HIGH TEMPERATURE LOW CYCLE FATIGUE STUDY
skos:prefLabel
IN-SITU HIGH TEMPERATURE LOW CYCLE FATIGUE STUDY IN-SITU HIGH TEMPERATURE LOW CYCLE FATIGUE STUDY
skos:notation
RIV/68081723:_____/14:00435418!RIV15-GA0-68081723
n5:aktivita
n6:P n6:I
n5:aktivity
I, P(GA13-23652S)
n5:dodaniDat
n12:2015
n5:domaciTvurceVysledku
n14:9884149 n14:7704968
n5:druhVysledku
n18:D
n5:duvernostUdaju
n9:S
n5:entitaPredkladatele
n13:predkladatel
n5:idSjednocenehoVysledku
22048
n5:idVysledku
RIV/68081723:_____/14:00435418
n5:jazykVysledku
n19:eng
n5:klicovaSlova
In-situ; SEM; high temperature; fatigue; superalloy
n5:klicoveSlovo
n8:superalloy n8:fatigue n8:high%20temperature n8:SEM n8:In-situ
n5:kontrolniKodProRIV
[FC5BBE7289FE]
n5:mistoKonaniAkce
Brno
n5:mistoVydani
Ostrava
n5:nazevZdroje
METAL 2014: 23rd International Conference on Metallurgy and Materials
n5:obor
n17:JL
n5:pocetDomacichTvurcuVysledku
2
n5:pocetTvurcuVysledku
5
n5:projekt
n16:GA13-23652S
n5:rokUplatneniVysledku
n12:2014
n5:tvurceVysledku
Dluhoš, J. Petrenec, M. Polák, Jaroslav Obrtlík, Karel Šamořil, T.
n5:typAkce
n10:EUR
n5:zahajeniAkce
2014-05-21+02:00
s:numberOfPages
8
n11:hasPublisher
Tanger Ltd
n15:isbn
978-80-87294-52-9