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A single-phase Ti3Zr1.5NbVAl0.25 refractory high entropy alloy with excellent combination of strength and toughness.
- Source :
-
Materials Letters . Sep2022, Vol. 323, pN.PAG-N.PAG. 1p. - Publication Year :
- 2022
-
Abstract
- A Ti 3 Zr 1.5 NbVAl 0.25 refractory high entropy alloy (RHEA) was prepared by vacuum melting and subsequently subjected to hot forging and annealing at elevated temperatures. The as-prepared alloy has a single body-centered cubic (BCC) phase structure with a balanced matching of strength and toughness. It is shown that tensile yield strength and fracture elongation of this alloy are 899 MPa and 24.50%, respectively. In addition, the Charpy V-notch impact toughness of the Ti 3 Zr 1.5 NbVAl 0.25 alloy was measured to be 119. 5 J/cm2, which is better than most traditional alloys and HEAs. The superior quasi-static and dynamic mechanical properties synergy makes this RHEA attractive for advanced structural applications. [ABSTRACT FROM AUTHOR]
- Subjects :
- *ALLOYS
*ENTROPY
*FRACTURE strength
*REFRACTORY materials
*HIGH temperatures
Subjects
Details
- Language :
- English
- ISSN :
- 0167577X
- Volume :
- 323
- Database :
- Academic Search Index
- Journal :
- Materials Letters
- Publication Type :
- Academic Journal
- Accession number :
- 157455432
- Full Text :
- https://doi.org/10.1016/j.matlet.2022.132548