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Transition metal boride high-entropy ceramic block material with nano/micron structure and preparation method of transition metal boride high-entropy ceramic block material
The invention discloses a nano/micron structure transition metal boride high-entropy ceramic block material and a preparation method thereof, and belongs to the field of high-entropy ceramics. The preparation method of the transition metal boride high-entropy ceramic block material with the nano/micron structure comprises the following steps: weighing the required mass of each initial raw material according to the atomic proportion of each element in a nominal chemical formula, then uniformly mixing the initial raw materials, carrying out compression molding, putting an obtained biscuit into a reaction cavity, keeping the pressure at 1-25 GPa, and carrying out heat preservation for 2-4 hours; and performing high-temperature and high-pressure phase change and sintering at the temperature of 800-2000 DEG C to obtain the transition metal boride high-entropy ceramic block material with the nano/micron structure, and obtaining the transition metal boride high-entropy ceramic block material with the nano/micron structure, which is high in compactness, superhard, superstrong and high in fracture toughness and has a single phase by utilizing the improvement of the preparation method.
一种纳/微米结构过渡金属硼化物高熵陶瓷块体材料及其制备方法，属于高熵陶瓷领域。纳/微米结构过渡金属硼化物高熵陶瓷块体材料的制备方法包括：依据各元素在名义化学式中所占的原子比例，称取各初始原料的所需质量，然后将各初始原料混合均匀，压缩成型，将得到的素坯置于反应腔体中，保持压力为1‑25GPa，温度为800‑2000℃进行高温高压相变及烧结，获得纳/微米结构过渡金属硼化物高熵陶瓷块体材料，利用制备方法的改进获得高致密且具有单一物相的超硬、超强、高断裂韧性的纳/微米结构过渡金属硼化物高熵陶瓷块体材料。
Transition metal boride high-entropy ceramic block material with nano/micron structure and preparation method of transition metal boride high-entropy ceramic block material
The invention discloses a nano/micron structure transition metal boride high-entropy ceramic block material and a preparation method thereof, and belongs to the field of high-entropy ceramics. The preparation method of the transition metal boride high-entropy ceramic block material with the nano/micron structure comprises the following steps: weighing the required mass of each initial raw material according to the atomic proportion of each element in a nominal chemical formula, then uniformly mixing the initial raw materials, carrying out compression molding, putting an obtained biscuit into a reaction cavity, keeping the pressure at 1-25 GPa, and carrying out heat preservation for 2-4 hours; and performing high-temperature and high-pressure phase change and sintering at the temperature of 800-2000 DEG C to obtain the transition metal boride high-entropy ceramic block material with the nano/micron structure, and obtaining the transition metal boride high-entropy ceramic block material with the nano/micron structure, which is high in compactness, superhard, superstrong and high in fracture toughness and has a single phase by utilizing the improvement of the preparation method.
一种纳/微米结构过渡金属硼化物高熵陶瓷块体材料及其制备方法，属于高熵陶瓷领域。纳/微米结构过渡金属硼化物高熵陶瓷块体材料的制备方法包括：依据各元素在名义化学式中所占的原子比例，称取各初始原料的所需质量，然后将各初始原料混合均匀，压缩成型，将得到的素坯置于反应腔体中，保持压力为1‑25GPa，温度为800‑2000℃进行高温高压相变及烧结，获得纳/微米结构过渡金属硼化物高熵陶瓷块体材料，利用制备方法的改进获得高致密且具有单一物相的超硬、超强、高断裂韧性的纳/微米结构过渡金属硼化物高熵陶瓷块体材料。
Transition metal boride high-entropy ceramic block material with nano/micron structure and preparation method of transition metal boride high-entropy ceramic block material
一种纳/微米结构过渡金属硼化物高熵陶瓷块体材料及其制备方法
ZOU YONGTAO (Autor:in) / JANG NAM-GU (Autor:in) / ZHOU CANGTAO (Autor:in) / RUAN SHUANGCHEN (Autor:in) / CHEN SHI (Autor:in)
29.07.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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