期刊
NPJ COMPUTATIONAL MATERIALS
卷 7, 期 1, 页码 -出版社
NATURE RESEARCH
DOI: 10.1038/s41524-020-00473-6
关键词
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资金
- National Science Foundation [ACI-1548562, DMR-1835939, DMR050013N]
- Office of Naval Research [N00014-16-1-3124, N00014-17-1-2202, N00014-20-1-2225]
- Brown University
In this study, based on density functional theory melting temperature calculations, we found that Mo0.292Ru0.555Ta0.031W0.122 exhibits a high melting temperature (around 2626 K), indicating its potential for high-temperature applications.
While rhenium is an ideal material for rapid thermal cycling applications under high temperatures, such as rocket engine nozzles, its high cost limits its widespread use and prompts an exploration of viable cost-effective substitutes. In prior work, we identified a promising pool of candidate substitute alloys consisting of Mo, Ru, Ta, and W. In this work we demonstrate, based on density functional theory melting temperature calculations, that one of the candidates, Mo0.292Ru0.555Ta0.031W0.122, exhibits a high melting temperature (around 2626 K), thus supporting its use in high-temperature applications.
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