The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
“Self-sharpening” tungsten high-entropy alloy
Open accessAbstract
“Self-sharpening”, a material maintaining its acute head shape during penetration, is highly desirable in a wide range of engineering applications . However, it remains a great challenge to make it occur in conventional single-principal-element alloys. Here, we develop a new chemical-disordered multi-phase tungsten high-entropy alloy that exhibits outstanding self-sharpening capability, in sharp contrast to conventional tungsten alloys only showing mushrooming. This alloy consists of a BCC dendrite phase and a rhombohedral μ phase embedded in the continuous FCC matrix, and such a unique microstructure leads to a 10–20% better penetration performance than conventional tungsten heavy alloys. We show that emergence of the self-sharpening is triggered by the ultrastrong μ phase stimulated dynamic recrystallization softening mediated shear banding. This study sheds light on the origin of self-sharpening and might open new opportunities for developing high-performance penetrator materials.
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George, E. P., Raabe, D., & Ritchie, R. O. (2019) · Nature Reviews Materials · doi:10.1038/s41578-019-0121-4 · Cited by 5,047
Effect of valence electron concentration on stability of fcc or bcc phase in high entropy alloys
Guo, S., Ng, C., Lu, J., & Liu, C. T. (2011) · Journal of Applied Physics · doi:10.1063/1.3587228 · Cited by 2,911
Enhanced strength and ductility in a high-entropy alloy via ordered oxygen complexes
Lei, Z., Liu, X., Wu, Y., Wang, H., Jiang, S., Wang, S., Hui, X., Wu, Y., Gault, B., Kontis, P., et al. (2018) · Nature · doi:10.1038/s41586-018-0685-y · Cited by 1,764
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Cited by
Functional properties and promising applications of high entropy alloys
Yan, X., & Zhang, Y. (2020) · Scripta Materialia · doi:10.1016/j.scriptamat.2020.06.017 · Cited by 312
Metadata
- Authors
- Liu, X.-F., Tian, Z.-L., Zhang, X.-F., Chen, H.-H., Liu, T.-W., Chen, Y., Wang, Y.-J., & Dai, L.-H.
- Venue
- Acta Materialia
- Publisher
- Elsevier BV
- Published
- 2020-03
- Volume
- 186
- Pages
- 257-266
- ISSN
- 1359-6454 (ISSN-L)
- OpenAlex
- W3000723698
- Cited by
- 215
- References
- 3
- FWCI
- 10.28
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Liu, X.-F., Tian, Z.-L., Zhang, X.-F., Chen, H.-H., Liu, T.-W., Chen, Y., Wang, Y.-J., & Dai, L.-H. (2020). “Self-sharpening” tungsten high-entropy alloy. Acta Materialia. https://doi.org/10.1016/j.actamat.2020.01.005
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