The Structure and Mechanical Properties of FeAlCrNiV Eutectic Complex Concentrated Alloy
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F25%3A10502548" target="_blank" >RIV/00216208:11320/25:10502548 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=-Exg8171kS" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=-Exg8171kS</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3390/ma18153675" target="_blank" >10.3390/ma18153675</a>
Alternative languages
Result language
angličtina
Original language name
The Structure and Mechanical Properties of FeAlCrNiV Eutectic Complex Concentrated Alloy
Original language description
In this work, the microstructure and mechanical properties of the FeAlCrNiV complex concentrated alloy (CCA) were studied in the as-cast and annealed states. The material was annealed at 800 degrees C for 16 days to test microstructure stability and phase evolution. It was found that the microstructure does not differ in the two investigated states, and the results of differential scanning calorimetry and dilatometry showed that there is almost no difference in the thermal response between the as-cast and annealed states. Both investigated states exhibit eutectic structure with bcc solid solution and ordered phase with B2 symmetry. In a single grain, several regions with B2 laths in the bcc matrix were observed. Inside the B2 laths and in the bcc matrix, bcc spheres and B2 spheres were observed, respectively. All three features-laths, matrix and spheres-are fully crystallographically coherent. Nevertheless, in the adjacent region in the grain, the crystal structure of the matrix, laths and sphere changed to the other structure, i.e., the characteristics of the microstructure feature with B2 symmetry changed to bcc, and vice versa. Compression deformation tests were performed for various temperatures from room temperature to 800 degrees C. The results showed that the material exhibits exceptional yield stress values, especially at high temperatures (820 MPa/800 degrees C), and excellent plasticity (25%).
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/GA21-03194S" target="_blank" >GA21-03194S: New trends in study of complex concentrated alloys.</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Materials
ISSN
1996-1944
e-ISSN
1996-1944
Volume of the periodical
18
Issue of the periodical within the volume
15
Country of publishing house
CH - SWITZERLAND
Number of pages
18
Pages from-to
3675
UT code for WoS article
001549478200001
EID of the result in the Scopus database
2-s2.0-105013098722