Temperature Dependent Yield Strength, Strain Hardening and Failure of the CoCrFeNiMnVx High Entropy Alloys
| Autor: | Alena Juríková, A. S. Tortika, M. O. Laktionova, Elena D. Tabachnikova, Maria Hurakova, Natalia A. Bereznaia, M.A. Tikhonovsky, A. V. Podolskiy, Kornel Csach, Jozef Miškuf |
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| Rok vydání: | 2017 |
| Předmět: |
010302 applied physics
Materials science Mechanical Engineering High entropy alloys Metallurgy Alloy Intermetallic 02 engineering and technology Strain hardening exponent engineering.material 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences Deformation mechanism Mechanics of Materials Phase (matter) 0103 physical sciences engineering General Materials Science Composite material Deformation (engineering) Dislocation 0210 nano-technology |
| Zdroj: | Materials Science Forum. 891:438-443 |
| ISSN: | 1662-9752 |
| DOI: | 10.4028/www.scientific.net/msf.891.438 |
| Popis: | Several structural states of the CoCrFeNiMnVx (x=0, 0.25, 0.5, 0.75) high entropy alloys with different content of the intermetallic σ phase are studied in uniaxial compression in temperature range 4.2-300 K. Peculiarities of strain hardening stages and temperature dependences of the yield strength are registered and analyzed considering dislocation sliding as main deformation mechanism in matrix fcc phase. Influence of σ phase particles, deformation twins and stacking faults on the deformation behavior of the CoCrFeNiMnVx alloy is discussed. |
| Databáze: | OpenAIRE |
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