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250829s2025 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202507254
|2 doi
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|a eng
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| 100 |
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|a Wen, Zihao
|e verfasserin
|4 aut
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|a Exceptional Oxidation Resistance of High-Entropy Carbides up to 3600 °C
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|c 2025
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 28.08.2025
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2025 Wiley‐VCH GmbH.
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|a Achieving exceptional oxidation resistance at elevated temperatures is long desirable for ultrahigh-temperature materials to be used in relevant applications such as hypersonic flights, re-entry vehicles, and propulsion systems. However, their practical service temperatures are typically limited to below 3000 °C. Here, the exploration of (Hf, Ta, Zr, W)C high-entropy carbides with exceptional oxidation resistance of 2.7 µm·s-1 up to 3600 °C through a high-entropy compositional engineering strategy is reported. This impressive oxidation behavior arises from the formation of unique dual-structural oxide layers involving numerous high-melting-point W particles uniformly embedded within molten (Hf, Me)6(Ta, Me)2O17 (Me = metal element, Hf, Ta, Zr, and W) primary oxides. The developed (Hf, Ta, Zr, W)C demonstrates a significant breakthrough for ultrahigh-temperature applications up to 3600 °C, paving the way for further design of advanced ultrahigh-temperature materials capable of serving at higher service temperatures
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|a Journal Article
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|a composition engineering
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|a high‐entropy carbides
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|a oxidation resistance
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| 650 |
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4 |
|a ultrahigh‐temperature materials
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| 700 |
1 |
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|a Liu, Yiwen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Jing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Yuhui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fu, Yaming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhuang, Lei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Hulei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chu, Yanhui
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 37(2025), 34 vom: 04. Aug., Seite e2507254
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:37
|g year:2025
|g number:34
|g day:04
|g month:08
|g pages:e2507254
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|u http://dx.doi.org/10.1002/adma.202507254
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