About this Abstract |
| Meeting |
MS&T25: Materials Science & Technology
|
| Symposium
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High-Entropy Materials: Solid Solutions, Intermetallics, Ceramics, Functional Materials and Beyond VI
|
| Presentation Title |
Investigation on Effect of Minor Elements in the Mechanical Behavior and Microstructure of (AlCoCrNi)100-xyMnxVy High-Entropy Alloys |
| Author(s) |
Rakhmatjon Gaipov, Elyorjon Jumaev, Omon Sultonov, Jakhongir Bakirov, Turaboy Shermatov, Ki Buem Kim |
| On-Site Speaker (Planned) |
Rakhmatjon Gaipov |
| Abstract Scope |
This study examines the effects of minor additions of manganese (Mn) and vanadium (V) on the microstructure and mechanical properties of the (AlCoCrNi)₁₀₀₋ₓᵧMₓVᵧ HEA system. Alloys were synthesized via arc melting and characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), and compression testing. The addition of minor elements results in the formation of BCC and B2 phases. Manganese (Mn) and vanadium (V) influence the morphology of the microstructure of the alloys due to their varying effects. Quantitative analysis reveals that the volume fractions of the BCC and B2 phases are notably affected by the additions, leading to an optimized balance of properties. Mechanical testing indicates that the yield strength of the AlCoCrNi alloy system increases to a range of 1.8 GPa to 2.3 GPa with the inclusion of Mn and V. Combined additions demonstrated synergistic effects, with the alloy (AlCoCrNi)94V4Mn4 achieving a compressive yield strength of ~3200 MPa. |