About: Creep Behavior of a Zirconium Alloy Processed by Equal-Channel Angular Pressing

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A Zr 2.5 wt%Nb alloy was processed by equal-channel angular pressing and then tested under creep conditions at 623 K using a tensile stress within the range from 120 to 300 MPa. The results show conventional power-law creep with a stress exponent of n > 3 which is consistent with an intragranular dislocation process involving the glide and climb of dislocations. It is demonstrated that di usion creep is not important in these tests. For comparison purposes, the experiments were conducted using both the unprocessed alloy and after processing by equal-channel angular pressing. It was found that under same testing conditions the measured minimum creep rates in the pressed alloy with ultra ne grain sizes were faster than in the same alloy in a coarse-grained unprocessed condition. A Zr 2.5 wt%Nb alloy was processed by equal-channel angular pressing and then tested under creep conditions at 623 K using a tensile stress within the range from 120 to 300 MPa. The results show conventional power-law creep with a stress exponent of n > 3 which is consistent with an intragranular dislocation process involving the glide and climb of dislocations. It is demonstrated that di usion creep is not important in these tests. For comparison purposes, the experiments were conducted using both the unprocessed alloy and after processing by equal-channel angular pressing. It was found that under same testing conditions the measured minimum creep rates in the pressed alloy with ultra ne grain sizes were faster than in the same alloy in a coarse-grained unprocessed condition. (en)
Title	Creep Behavior of a Zirconium Alloy Processed by Equal-Channel Angular Pressing Creep Behavior of a Zirconium Alloy Processed by Equal-Channel Angular Pressing (en)
skos:prefLabel	Creep Behavior of a Zirconium Alloy Processed by Equal-Channel Angular Pressing Creep Behavior of a Zirconium Alloy Processed by Equal-Channel Angular Pressing (en)
skos:notation	RIV/68081723:_____/12:00385170!RIV13-GA0-68081723
http://linked.open...avai/predkladatel	Ústav fyziky materiálů AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/11/2260)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kvapilová, Marie Svoboda, Milan Sklenička, Václav Dvořák, Jiří Král, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	129016
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/12:00385170
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	creep; zirconium alloys; cladding tubes; ultrafine-grained material; sever plastic deformation (en)
http://linked.open.../riv/klicoveSlovo	creep ultrafine-grained material cladding tubes sever plastic deformation zirconium alloys
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[AF299A5391AA]
http://linked.open...i/riv/nazevZdroje	Acta Physica Polonica. A
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	The link between microstructure and creep behaviour of precipitate strengthened alloys processed by ECAP
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	122
http://linked.open...iv/tvurceVysledku	Dvořák, Jiří Král, Petr Kvapilová, Marie Sklenička, Václav Svoboda, Milan Dobatkin, S. V. Kopylov, V. I. Nikulin, S. A.
http://linked.open...ain/vavai/riv/wos	000309019200016
issn	0587-4246
number of pages	5 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Creep Behavior of a Zirconium Alloy Processed by Equal-Channel Angular Pressing

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