Compressive creep behavior of an oxide-dispersion-strengthened CoCrFeMnNi high-entropy alloy
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F18%3A00495933" target="_blank" >RIV/61389021:_____/18:00495933 - isvavai.cz</a>
Alternative codes found
RIV/68081723:_____/18:00495933
Result on the web
<a href="http://dx.doi.org/10.1016/j.msea.2018.06.108" target="_blank" >http://dx.doi.org/10.1016/j.msea.2018.06.108</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.msea.2018.06.108" target="_blank" >10.1016/j.msea.2018.06.108</a>
Alternative languages
Result language
angličtina
Original language name
Compressive creep behavior of an oxide-dispersion-strengthened CoCrFeMnNi high-entropy alloy
Original language description
Creep tests of two equiatomic CoCrFeMnNi alloys were conducted in the temperature range from 973 K to 1073 K. The alloys were prepared by milling blends of powders of pure elements in a planetary ball mill and compacting by the spark plasma technique. Two variants of the alloys were prepared: (i) without and (ii) with the dispersion of oxides. Creep resistance was substantially improved by the presence of oxides. Diffusion creep controlled by lattice diffusion was suggested as a possible mechanism at low stresses. The effective diffusion coefficient calculated for Nabarro-Herring creep was comparable to the lattice diffusion coefficient of Ni in the same high-entropy alloy. At high stresses, the creep behavior was characterized by the presence of a threshold stress invoked by oxide particles.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)
Result continuities
Project
<a href="/en/project/GA17-23964S" target="_blank" >GA17-23964S: Dispersion strengthened high entropy alloys for extreme conditions</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Materials Science and Engineering A-Structural materials
ISSN
0921-5093
e-ISSN
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Volume of the periodical
732
Issue of the periodical within the volume
AUG
Country of publishing house
CH - SWITZERLAND
Number of pages
6
Pages from-to
99-104
UT code for WoS article
000441486100013
EID of the result in the Scopus database
2-s2.0-85049520234