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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F01%3A07013241%21RIV%2F2003%2FAV0%2FA07003%2FN
rdf:type
n9:Vysledek skos:Concept
dcterms:description
The present study investigates microstructure and creep behaviour of the cast alloy Ti-46A1-2W-0.5Si (at-%) at temperatures 700, 750 and 800 C and applied stresses between 250-420 MPa. Solidification of the alloy during precision casting is associated with two processes: (i) the growth of the [0001].alpha. oriented columnar grains from the mould wall into the cast interior and (ii) the enrichment of the central part of the cast with aluminium. The first process results in a fully lamellar microstructure where lamellae are preferentially oriented parallel to the cast surface. The second process contributes to the development of the duplex microstructure in the central part of the cast. It is shown that distinct microstructural types in different regions of the cast result in different creep strengths. Specimens taken from inside of the cast and oriented parallel to the cast bar axis exhibited the lowest creep strength while similarly oriented specimens cut from the fully lamellar region near t The present study investigates microstructure and creep behaviour of the cast alloy Ti-46A1-2W-0.5Si (at-%) at temperatures 700, 750 and 800 C and applied stresses between 250-420 MPa. Solidification of the alloy during precision casting is associated with two processes: (i) the growth of the [0001].alpha. oriented columnar grains from the mould wall into the cast interior and (ii) the enrichment of the central part of the cast with aluminium. The first process results in a fully lamellar microstructure where lamellae are preferentially oriented parallel to the cast surface. The second process contributes to the development of the duplex microstructure in the central part of the cast. It is shown that distinct microstructural types in different regions of the cast result in different creep strengths. Specimens taken from inside of the cast and oriented parallel to the cast bar axis exhibited the lowest creep strength while similarly oriented specimens cut from the fully lamellar region near t
dcterms:title
Microstructure and Anisotropy of Creep in Ti-46Al-2W-0.5Si Castings. Microstructure and Anisotropy of Creep in Ti-46Al-2W-0.5Si Castings.
skos:prefLabel
Microstructure and Anisotropy of Creep in Ti-46Al-2W-0.5Si Castings. Microstructure and Anisotropy of Creep in Ti-46Al-2W-0.5Si Castings.
skos:notation
RIV/68081723:_____/01:07013241!RIV/2003/AV0/A07003/N
n3:strany
X1-X5
n3:aktivita
n20:Z n20:P
n3:aktivity
P(IBS2041001), P(OC 522.100), Z(AV0Z2041904)
n3:dodaniDat
n5:2003
n3:domaciTvurceVysledku
n4:5221110 n4:5076633 n4:8093326 n4:3249514 n4:1263455
n3:druhVysledku
n11:D
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
686924
n3:idVysledku
RIV/68081723:_____/01:07013241
n3:jazykVysledku
n6:eng
n3:klicovaSlova
intermetallics; gas turbine; gamma-TiAl
n3:klicoveSlovo
n10:gamma-TiAl n10:gas%20turbine n10:intermetallics
n3:kontrolniKodProRIV
[D963BB043F48]
n3:mistoKonaniAkce
Brno [CZ]
n3:mistoVydani
Brno
n3:nazevZdroje
MATERIAL STRUCTURE & MICROMECHANICS OF FRACTURE PROCEEDINGS MSMF-3.
n3:obor
n7:JG
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:projekt
n8:OC%20522.100 n8:IBS2041001
n3:rokUplatneniVysledku
n5:2001
n3:tvurceVysledku
Dlouhý, Antonín Válek, Robert Březina, Josef Svoboda, Milan Kuchařová, Květa
n3:typAkce
n17:WRD
n3:zahajeniAkce
2001-06-27+02:00
n3:zamer
n21:AV0Z2041904
s:numberOfPages
8
n16:hasPublisher
Vysoké učení technické v Brně. Nakladatelství VUTIUM
n13:isbn
80-214-1892-3