About this Abstract |
Meeting |
2024 TMS Annual Meeting & Exhibition
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Symposium
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Advances in Multi-Principal Element Alloys III: Mechanical Behavior
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Presentation Title |
A Path to the Strongest Single-phase Multi-principal Element Alloy Design |
Author(s) |
Yang Tong, Dawei Zhou, Caijuan Shi, Zengrui Pei, Weidong Li, Fei Zhang, Liang Jiang, Peter K Liaw |
On-Site Speaker (Planned) |
Yang Tong |
Abstract Scope |
Recently, the maximization of local lattice distortion (LLD) has been proposed as a new strategy for designing ultra-strong multi-principal element alloys (MPEAs). However, the contribution of size and electronegativity mismatch to the yield strength remains under debate for this new class of alloys. We investigated the relationship between yield strength and parameters of size and electronegativity mismatch for the FCC MPEAs spanning a wider range of size and electronegativity differences among constituent elements. To precisely evaluate the contribution of size mismatch to yield strength, we quantitatively measured the LLD of FCC MPEAs using the synchrotron X-ray total scattering technique. Our findings pave the pathway to understanding the controlling mechanisms of mechanical deformation and the design of high-strength MPEAs. |
Proceedings Inclusion? |
Planned: |
Keywords |
High-Entropy Alloys, Characterization, Mechanical Properties |