About: Creep of ODS Copper in Two Distinctly Different Temperature Intervals as Interpreted in Terms of the True Threshold Stress.

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About: Creep of ODS Copper in Two Distinctly Different Temperature Intervals as Interpreted in Terms of the True Threshold Stress. Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The creep data for copper strengthened with fine alumina particles - a commercial GlidCop Al-15 alloy, presented by Broyles et al. - are interpreted in terms of the true threshold stress. It is shown that at high testing temperatures 973 and 998 K the minimum creep strain rate is apparently controlled by lattice self-diffusion in the alloy matrix - copper - and that the true stress exponent of minimum creep strain rate is very close to that reported for copper, i.e. close to 5. At much lower testing temperatures of 748 and 773 K, the minimum creep strain rate is found to be controlled by the dislocation core diffusion in copper, and, accordingly, the true stress exponent of minimum creep strain rate is close to 7. The creep data available for these two temperatures made it possible to prove that the apparent activation energy of creep is much higher than the activation enthalpy of dislocation core diffusion, which is essentially due to the temperature dependence of the true threshold stress; the contr The creep data for copper strengthened with fine alumina particles - a commercial GlidCop Al-15 alloy, presented by Broyles et al. - are interpreted in terms of the true threshold stress. It is shown that at high testing temperatures 973 and 998 K the minimum creep strain rate is apparently controlled by lattice self-diffusion in the alloy matrix - copper - and that the true stress exponent of minimum creep strain rate is very close to that reported for copper, i.e. close to 5. At much lower testing temperatures of 748 and 773 K, the minimum creep strain rate is found to be controlled by the dislocation core diffusion in copper, and, accordingly, the true stress exponent of minimum creep strain rate is close to 7. The creep data available for these two temperatures made it possible to prove that the apparent activation energy of creep is much higher than the activation enthalpy of dislocation core diffusion, which is essentially due to the temperature dependence of the true threshold stress; the contr (en)
Title	Creep of ODS Copper in Two Distinctly Different Temperature Intervals as Interpreted in Terms of the True Threshold Stress. Creep of ODS Copper in Two Distinctly Different Temperature Intervals as Interpreted in Terms of the True Threshold Stress. (en)
skos:prefLabel	Creep of ODS Copper in Two Distinctly Different Temperature Intervals as Interpreted in Terms of the True Threshold Stress. Creep of ODS Copper in Two Distinctly Different Temperature Intervals as Interpreted in Terms of the True Threshold Stress. (en)
skos:notation	RIV/68081723:_____/02:07023100!RIV/2003/AV0/A07003/N
http://linked.open.../vavai/riv/strany	231;241
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IBS2041001), Z(AV0Z2041904)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Čadek, Josef Kuchařová, Květa
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	641894
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/02:07023100
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Copper alloy; Creep (en)
http://linked.open.../riv/klicoveSlovo	Creep Copper alloy
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[3186DAB0512D]
http://linked.open...i/riv/nazevZdroje	KOVOVÉ MATERIÁLY
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Degradation of properties and lifetime assessment of engineering materials under mechanical loading
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	40
http://linked.open...iv/tvurceVysledku	Kuchařová, Květa Čadek, Josef
http://linked.open...n/vavai/riv/zamer	Behavior and properties of metallic and non-metallic materials in relation to their structure, research on processes leading to degradation of material quality
issn	0023-432X
number of pages	11 (xsd:int)

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