Near-Equiatomic μ Phase in Self-Sharpening Tungsten-Based High-Entropy Alloys
Abstract
:1. Introduction
2. Experimental Procedure
3. Results and Discussion
3.1. Characterization of the μ Phase
3.2. Basal Defects and (0001)μ Twin Substructure
3.3. Pyramidal Defects and ()μ Twin Substructure
3.4. Influence of μ Phase on Shear Susceptibility
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Phase | Material State | Chemical Compositions (at. %) | |||
---|---|---|---|---|---|
Mo | Fe | Ni | W | ||
Total | 24.6 ± 1.4 | 24.4 ± 1.0 | 24.0 ± 0.6 | 27.0 ± 0.8 | |
A (BCC) | As-cast | 31.1 ± 1.9 | 3.7 ± 0.3 | 2.3 ± 0.3 | 62.9 ± 2.0 |
Annealed | 31.1 ± 2.2 | 3.5 ± 0.5 | 1.3 ± 0.5 | 64.2 ± 2.2 | |
B (FCC) | As-cast | 13.6 ± 1.1 | 40.7 ± 1.3 | 40.5 ± 2.0 | 5.2 ± 2.0 |
Annealed | 9.2 ± 2.0 | 37.4 ± 1.5 | 49.4 ± 1.6 | 3.9 ± 2.1 | |
C (μ phase) | As-cast | 33.1 ± 2.8 | 33.9 ± 2.1 | 22.9 ± 1.0 | 10.1 ± 1.5 |
Annealed | 27.7 ± 2.3 | 28.9 ± 2.3 | 22.3 ± 1.7 | 21.1 ± 2.4 |
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Liu, T.-W.; Li, T.; Dai, L.-H. Near-Equiatomic μ Phase in Self-Sharpening Tungsten-Based High-Entropy Alloys. Metals 2022, 12, 1130. https://doi.org/10.3390/met12071130
Liu T-W, Li T, Dai L-H. Near-Equiatomic μ Phase in Self-Sharpening Tungsten-Based High-Entropy Alloys. Metals. 2022; 12(7):1130. https://doi.org/10.3390/met12071130
Chicago/Turabian StyleLiu, Tian-Wei, Tong Li, and Lan-Hong Dai. 2022. "Near-Equiatomic μ Phase in Self-Sharpening Tungsten-Based High-Entropy Alloys" Metals 12, no. 7: 1130. https://doi.org/10.3390/met12071130