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Powder Metallurgy Processing of a WxTaTiVCr High-Entropy Alloy and Its Derivative Alloys for Fusion Material Applications
Open accessAbstract
The W x TaTiVCr high-entropy alloy with 32at.% of tungsten (W) and its derivative alloys with 42 to 90at.% of W with in-situ TiC were prepared via the mixing of elemental W, Ta, Ti, V and Cr powders followed by spark plasma sintering for the development of reduced-activation alloys for fusion plasma-facing materials. Characterization of the sintered samples revealed a BCC lattice and a multi-phase structure. The selected-area diffraction patterns confirmed the formation of TiC in the high-entropy alloy and its derivative alloys. It revealed the development of C15 (cubic) Laves phases as well in alloys with 71 to 90at.% W. A mechanical examination of the samples revealed a more than twofold improvement in the hardness and strength due to solid-solution strengthening and dispersion strengthening. This study explored the potential of powder metallurgy processing for the fabrication of a high-entropy alloy and other derived compositions with enhanced hardness and strength.
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Cited by
Outstanding radiation resistance of tungsten-based high-entropy alloys
El-Atwani, O., Li, N., Li, M., Devaraj, A., Baldwin, J. K. S., Schneider, M. M., Sobieraj, D., Wróbel, J. S., Nguyen-Manh, D., Maloy, S. A., et al. (2019) · Science Advances · doi:10.1126/sciadv.aav2002 · Cited by 658
High-Entropy Alloys for Advanced Nuclear Applications
Pickering, E. J., Carruthers, A. W., Barron, P. J., Middleburgh, S. C., Armstrong, D. E. J., & Gandy, A. S. (2021) · Entropy · doi:10.3390/e23010098 · Cited by 334
Metadata
- Authors
- Waseem, O. A., & Ryu, H. J.
- Venue
- Scientific Reports
- Published
- 2017-05-16
- Volume
- 7
- Issue
- 1
- Pages
- 1926-1926
- ISSN
- 2045-2322 (ISSN-L)
- OpenAlex
- W2612021530
- Cited by
- 181
- References
- 0
- FWCI
- 11.39
- Type
- journal article
- Language
- en
- Open access
- gold
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- CoChat. (2026). Citation check: Powder Metallurgy Processing of a WxTaTiVCr High-Entropy Alloy and Its Derivative Alloys for Fusion Material Applications. https://app.cochat.ai/papers/10.1038/s41598-017-02168-3
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- Waseem, O. A., & Ryu, H. J. (2017). Powder Metallurgy Processing of a WxTaTiVCr High-Entropy Alloy and Its Derivative Alloys for Fusion Material Applications. Scientific Reports. https://doi.org/10.1038/s41598-017-02168-3
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