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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F14%3APU110112%21RIV15-MSM-26210___
rdf:type
skos:Concept n10:Vysledek
dcterms:description
Six grades of TiAl alloys doped with 7 at.% Nb and variable content of C and/or Mo were studied. The as-received microstructure and phase composition of the alloys was characterized using neutron diffraction experiments and electron microscopy. They are substantially different in individual alloys. In Mo containing alloys, ordered beta0 phase is present while carbon suppresses the occurrence of this phase. Alternating lamellae of gamma and alpha2 phases are characteristic for all specimens. The specimens have been subjected to monotonic testing (tensile and compression) and to low cycle fatigue testing at ambient and at elevated temperatures. The differences in microstructure result in scatter of mechanical behaviour of the alloys, e.g. the yield stress at 750C varies from 445 to 626 MPa. The mechanical properties of the materials are discussed in relation to the initial microstructure and phase composition. Six grades of TiAl alloys doped with 7 at.% Nb and variable content of C and/or Mo were studied. The as-received microstructure and phase composition of the alloys was characterized using neutron diffraction experiments and electron microscopy. They are substantially different in individual alloys. In Mo containing alloys, ordered beta0 phase is present while carbon suppresses the occurrence of this phase. Alternating lamellae of gamma and alpha2 phases are characteristic for all specimens. The specimens have been subjected to monotonic testing (tensile and compression) and to low cycle fatigue testing at ambient and at elevated temperatures. The differences in microstructure result in scatter of mechanical behaviour of the alloys, e.g. the yield stress at 750C varies from 445 to 626 MPa. The mechanical properties of the materials are discussed in relation to the initial microstructure and phase composition.
dcterms:title
Monotonic and cyclic properties of TiAl alloys Monotic and cyclic properties of TiAl alloys doped with Nb, Mo and C Monotonic and cyclic properties of TiAl alloys Monotic and cyclic properties of TiAl alloys doped with Nb, Mo and C
skos:prefLabel
Monotonic and cyclic properties of TiAl alloys Monotic and cyclic properties of TiAl alloys doped with Nb, Mo and C Monotonic and cyclic properties of TiAl alloys Monotic and cyclic properties of TiAl alloys doped with Nb, Mo and C
skos:notation
RIV/00216305:26210/14:PU110112!RIV15-MSM-26210___
n3:aktivita
n7:S
n3:aktivity
S
n3:cisloPeriodika
6
n3:dodaniDat
n16:2015
n3:domaciTvurceVysledku
n11:3491870
n3:druhVysledku
n8:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n6:predkladatel
n3:idSjednocenehoVysledku
30482
n3:idVysledku
RIV/00216305:26210/14:PU110112
n3:jazykVysledku
n13:eng
n3:klicovaSlova
TiAl alloys, microstructure, neutron diffraction, fatigue
n3:klicoveSlovo
n5:neutron%20diffraction n5:microstructure n5:fatigue n5:TiAl%20alloys
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[12C4CA1D09E9]
n3:nazevZdroje
Procedia Engineering
n3:obor
n15:JL
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
6
n3:rokUplatneniVysledku
n16:2014
n3:svazekPeriodika
74
n3:tvurceVysledku
Chlupová, Alice Obrtlík, Karel Kruml, Tomáš Heczko, Milan Beran, Přemysl Polák, Jaroslav
s:issn
1877-7058
s:numberOfPages
4
n17:doi
10.1016/j.proeng.2014.06.289
n14:organizacniJednotka
26210