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High-temperature-resistant high-strength (Ti,Zr,Hf)C medium-entropy ceramic material and preparation method thereof
The invention discloses a high-temperature-resistant high-strength (Ti,Zr,Hf)C medium-entropy ceramic material and a preparation method thereof. The chemical composition of the (Ti,Zr,Hf)C medium-entropy ceramic material is (TiZrHf )C, wherein x is greater than or equal to 0.2 and smaller than or equal to 0.40, y is greater than or equal to 0.2 and smaller than or equal to 0.40, and x+y+z is equal to 1. The obtained (Ti,Zr,Hf)C medium-entropy ceramic is high in purity (greater than 99.0%), high in relative density (greater than or equal to 97%) and small in grain size (0.2-5 [mu]m), and has good mechanical properties at 25-1800 DEG C.
本发明公开一种耐高温高强度(Ti,Zr,Hf)C中熵陶瓷材料及其制备方法。所述(Ti,Zr,Hf)C中熵陶瓷材料的化学组成为(TixZryHfz)C；其中，0.2≤x≤0.40，0.2≤y≤0.4，x+y+z=1。所得(Ti,Zr,Hf)C中熵陶瓷纯度高（>99.0%），相对密度高（≥97%），晶粒尺寸细小（0.2‑5μm），材料在25~1800°C具有较好的力学性能。
High-temperature-resistant high-strength (Ti,Zr,Hf)C medium-entropy ceramic material and preparation method thereof
The invention discloses a high-temperature-resistant high-strength (Ti,Zr,Hf)C medium-entropy ceramic material and a preparation method thereof. The chemical composition of the (Ti,Zr,Hf)C medium-entropy ceramic material is (TiZrHf )C, wherein x is greater than or equal to 0.2 and smaller than or equal to 0.40, y is greater than or equal to 0.2 and smaller than or equal to 0.40, and x+y+z is equal to 1. The obtained (Ti,Zr,Hf)C medium-entropy ceramic is high in purity (greater than 99.0%), high in relative density (greater than or equal to 97%) and small in grain size (0.2-5 [mu]m), and has good mechanical properties at 25-1800 DEG C.
本发明公开一种耐高温高强度(Ti,Zr,Hf)C中熵陶瓷材料及其制备方法。所述(Ti,Zr,Hf)C中熵陶瓷材料的化学组成为(TixZryHfz)C；其中，0.2≤x≤0.40，0.2≤y≤0.4，x+y+z=1。所得(Ti,Zr,Hf)C中熵陶瓷纯度高（>99.0%），相对密度高（≥97%），晶粒尺寸细小（0.2‑5μm），材料在25~1800°C具有较好的力学性能。
High-temperature-resistant high-strength (Ti,Zr,Hf)C medium-entropy ceramic material and preparation method thereof
一种耐高温高强度(Ti,Zr,Hf)C中熵陶瓷材料及其制备方法
WANG XINGANG (author) / WANG XIAOFEI (author) / WU PING (author) / DING HAOJIE (author) / XUE ZHENHAI (author) / XIA JINFENG (author) / ZHOU GUOHONG (author) / JIANG DANYU (author)
2022-02-22
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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