Journal
MATERIALS
Volume 14, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/ma14102595
Keywords
high-entropic alloys; high-temperature oxidation; HEAs of Al-Co-Cr-Fe-Ni system; HEAs of Mn-Co-Cr-Fe-Ni system; Refractory HEAs
Categories
Funding
- RFBR
- Chelyabinsk Region [20-43-740018]
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In recent years, interest in high-entropic alloys has been growing, but few review articles have presented results accumulated over several years, making it difficult to choose directions for further research. This review provides insights into the mechanisms of high-temperature oxidation of HEAs, offering new directions for the development of heat-resistant alloys.
Over the past few years, interest in high-entropic alloys (HEAs) has been growing. A large body of research has been undertaken to study aspects such as the microstructure features of HEAs of various compositions, the effect of the content of certain elements on the mechanical properties of HEAs, and, of course, special properties such as heat resistance, corrosion resistance, resistance to irradiation with high-energy particles, magnetic properties, etc. However, few works have presented results accumulated over several years, which can complicate the choice of directions for further research. This review article presents the results of studies of the mechanisms of high-temperature oxidation of HEAs of systems: Al-Co-Cr-Fe-Ni, Mn-Co-Cr-Fe-Ni, refractory HEAs. An analysis made it possible to systematize the features of high-temperature oxidation of HEAs and propose new directions for the development of heat-resistant HEAs. The presented information may be useful for assessing the possibility of the practical application of HEAs in the aerospace industry, in nuclear and chemical engineering, and in new areas of energy.
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