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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F12%3A00377745%21RIV13-GA0-68081723
rdf:type
skos:Concept n11:Vysledek
dcterms:description
The microstructure and fatigue properties of Ti–44Al–7.8Nb – 0.2Ni (at.%) alloy after graded cooling heat treatment were investigated. Different techniques as SEM, TEM and FIB were used for characterization of microstructure. Quantification of phase volume fraction was measured by neutron diffraction method. After graded cooling heat treatment the structure consists of fully lamellar uniform grains which contain lamellar phases /2 and cubic phases (ordered B2 and disordered phases) at grain boundary and interlamellar spaces. The foils for TEM were prepared using FIB technique and observed in TEM in order to identify B2 phase by selected electron diffraction. Low cycle fatigue behaviour at 750 °C shows stable fatigue crack propagation due the presence of plastic beta and B2 phases. The microstructure and fatigue properties of Ti–44Al–7.8Nb – 0.2Ni (at.%) alloy after graded cooling heat treatment were investigated. Different techniques as SEM, TEM and FIB were used for characterization of microstructure. Quantification of phase volume fraction was measured by neutron diffraction method. After graded cooling heat treatment the structure consists of fully lamellar uniform grains which contain lamellar phases /2 and cubic phases (ordered B2 and disordered phases) at grain boundary and interlamellar spaces. The foils for TEM were prepared using FIB technique and observed in TEM in order to identify B2 phase by selected electron diffraction. Low cycle fatigue behaviour at 750 °C shows stable fatigue crack propagation due the presence of plastic beta and B2 phases.
dcterms:title
Microstructure Characterization and Faigue Behavior of Beta Phase Containing Gama-TiAl Alloy Microstructure Characterization and Faigue Behavior of Beta Phase Containing Gama-TiAl Alloy
skos:prefLabel
Microstructure Characterization and Faigue Behavior of Beta Phase Containing Gama-TiAl Alloy Microstructure Characterization and Faigue Behavior of Beta Phase Containing Gama-TiAl Alloy
skos:notation
RIV/68081723:_____/12:00377745!RIV13-GA0-68081723
n11:predkladatel
n22:ico%3A68081723
n4:aktivita
n13:Z n13:I n13:P
n4:aktivity
I, P(GAP107/11/0704), Z(AV0Z10480505), Z(AV0Z2041904)
n4:dodaniDat
n8:2013
n4:domaciTvurceVysledku
n5:6482953 n5:1204726 n5:6050956 n5:8246513
n4:druhVysledku
n20:D
n4:duvernostUdaju
n10:S
n4:entitaPredkladatele
n7:predkladatel
n4:idSjednocenehoVysledku
150425
n4:idVysledku
RIV/68081723:_____/12:00377745
n4:jazykVysledku
n19:eng
n4:klicovaSlova
graded cooling heat treatment; cast gama-TiAl alloy; microstructure; neutron diffraction; fatigue
n4:klicoveSlovo
n21:cast%20gama-TiAl%20alloy n21:neutron%20diffraction n21:microstructure n21:fatigue n21:graded%20cooling%20heat%20treatment
n4:kontrolniKodProRIV
[FCEAC9AE6220]
n4:mistoKonaniAkce
Brno
n4:mistoVydani
Ostrava
n4:nazevZdroje
METAL 2012 Conference Proceedings
n4:obor
n18:JG
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
5
n4:projekt
n14:GAP107%2F11%2F0704
n4:rokUplatneniVysledku
n8:2012
n4:tvurceVysledku
Petrenec, Martin Šmíd, Miroslav Kuběnová, Monika Chlupová, Alice Beran, Přemysl
n4:typAkce
n12:WRD
n4:zahajeniAkce
2012-05-23+02:00
n4:zamer
n15:AV0Z2041904 n15:AV0Z10480505
s:numberOfPages
6
n6:hasPublisher
TANGER Ltd. Ostrava
n3:isbn
978-80-87294-31-4