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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F12%3A00386286%21RIV13-GA0-68081723
rdf:type
skos:Concept n18:Vysledek
dcterms:description
Creep strength and ductility are the key creep properties of creep-resistant materials but these properties typically have opposing characteristics. Thus, materials with conventional grain sizes may be strong or ductile but there are rarely both. In this connection, recent findings of high strength and good ductility in several submicrometer metals and alloys are of special interest. Processing through the application of severe plastic deformation (SPD) is now an accepted procedure for producing bulk ultrafine-grained materials having grain sizes in the submicrometer or nanometer range. The use of SPD enhances certain material properties through the introduction of an ultrafine-grained microstructure. The ultrafine size of the grains in the bulk materials generally leads to significantly improved properties by comparison with polycrystalline materials having conventional grain sizes of the same chemical composition. Several SPD processing techniques are currently available but the most attractive technique is equal-channel angular pressing (ECAP), where the sample is pressed through a die constrained within a channel bent through an abrupt angle. Creep strength and ductility are the key creep properties of creep-resistant materials but these properties typically have opposing characteristics. Thus, materials with conventional grain sizes may be strong or ductile but there are rarely both. In this connection, recent findings of high strength and good ductility in several submicrometer metals and alloys are of special interest. Processing through the application of severe plastic deformation (SPD) is now an accepted procedure for producing bulk ultrafine-grained materials having grain sizes in the submicrometer or nanometer range. The use of SPD enhances certain material properties through the introduction of an ultrafine-grained microstructure. The ultrafine size of the grains in the bulk materials generally leads to significantly improved properties by comparison with polycrystalline materials having conventional grain sizes of the same chemical composition. Several SPD processing techniques are currently available but the most attractive technique is equal-channel angular pressing (ECAP), where the sample is pressed through a die constrained within a channel bent through an abrupt angle.
dcterms:title
Equal-Channel Angular Pressing and Creeep in Ultrafine-Grained Aluminium and its Alloys Equal-Channel Angular Pressing and Creeep in Ultrafine-Grained Aluminium and its Alloys
skos:prefLabel
Equal-Channel Angular Pressing and Creeep in Ultrafine-Grained Aluminium and its Alloys Equal-Channel Angular Pressing and Creeep in Ultrafine-Grained Aluminium and its Alloys
skos:notation
RIV/68081723:_____/12:00386286!RIV13-GA0-68081723
n18:predkladatel
n20:ico%3A68081723
n3:aktivita
n11:I n11:P
n3:aktivity
I, P(ED1.1.00/02.0068), P(GAP108/11/2260)
n3:dodaniDat
n4:2013
n3:domaciTvurceVysledku
n7:8093326 n7:1102303 n7:7393776 n7:8144036 n7:7024819
n3:druhVysledku
n14:C
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n5:predkladatel
n3:idSjednocenehoVysledku
134631
n3:idVysledku
RIV/68081723:_____/12:00386286
n3:jazykVysledku
n15:eng
n3:klicovaSlova
ultrafine-grained aluminium; ECAP; creep
n3:klicoveSlovo
n10:ECAP n10:ultrafine-grained%20aluminium n10:creep
n3:kontrolniKodProRIV
[2FA8437DA8F9]
n3:mistoVydani
Rijeka
n3:nazevZdroje
Aluminium Allyos - New Trends in Fabrication and Applications
n3:obor
n17:JG
n3:pocetDomacichTvurcuVysledku
5
n3:pocetStranKnihy
359
n3:pocetTvurcuVysledku
5
n3:projekt
n16:GAP108%2F11%2F2260 n16:ED1.1.00%2F02.0068
n3:rokUplatneniVysledku
n4:2012
n3:tvurceVysledku
Král, Petr Svoboda, Milan Kvapilová, Marie Sklenička, Václav Dvořák, Jiří
s:numberOfPages
43
n6:doi
10.5772/51242
n21:hasPublisher
InTech
n13:isbn
978-953-51-0861-0