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High-entropy tantalum-zirconium-carbon ceramic precursor and preparation method thereof
The invention provides a high-entropy tantalum-zirconium-carbon ceramic precursor and a preparation method thereof, and belongs to the technical field of ceramic materials, and the preparation method comprises the following steps: in a nitrogen atmosphere, adding a metal ion strong coordination agent into a tantalum source solution, carrying out heating reaction, adding a metal ion weak coordination agent, and carrying out heating reaction; then adding a mixture of an organic solvent and water, and sequentially carrying out heating reflux and curing to obtain a tantalum carbide ceramic precursor in a nitrogen atmosphere; preparing a zirconium intermediate 1; preparing a zirconium intermediate 2; under anhydrous and anaerobic conditions, uniformly stirring an organic solvent, the zirconium intermediate 1 and the zirconium intermediate 2, and reacting to obtain a zirconium carbide ceramic precursor; uniformly stirring the tantalum carbide ceramic precursor, the zirconium carbide ceramic precursor and an organic solvent, and sequentially carrying out heat treatment and drying to obtain the high-entropy tantalum-zirconium-carbon ceramic precursor. The high-entropy tantalum-zirconium-carbon ceramic precursor with stable high-temperature mechanical properties can be prepared, the process is simple, the controllable degree is high, and the ceramic yield is high.
本发明给出了一种高熵钽锆碳陶瓷前驱体及其制备方法，属于陶瓷材料技术领域，包括：在氮气气氛下，向钽源溶液中加入金属离子强配位剂并加热反应，再加入金属离子弱配位剂，随后加入有机溶剂和水的混合物后依次进行加热回流和固化，得到碳化钽陶瓷前驱体在氮气气氛下；制备锆中间体1；制备锆中间体2；在无水无氧条件下，将有机溶剂、锆中间体1和锆中间体2搅拌均匀后反应，得到碳化锆陶瓷前驱体；将碳化钽陶瓷前驱体、碳化锆陶瓷前驱体和有机溶剂搅拌均匀后依次进行热处理和干燥，得到高熵钽锆碳陶瓷前驱体。本发明能够制备出高温力学性能稳定的高熵钽锆碳陶瓷前驱体，且工艺简单，可控程度高，陶瓷产率高。
High-entropy tantalum-zirconium-carbon ceramic precursor and preparation method thereof
The invention provides a high-entropy tantalum-zirconium-carbon ceramic precursor and a preparation method thereof, and belongs to the technical field of ceramic materials, and the preparation method comprises the following steps: in a nitrogen atmosphere, adding a metal ion strong coordination agent into a tantalum source solution, carrying out heating reaction, adding a metal ion weak coordination agent, and carrying out heating reaction; then adding a mixture of an organic solvent and water, and sequentially carrying out heating reflux and curing to obtain a tantalum carbide ceramic precursor in a nitrogen atmosphere; preparing a zirconium intermediate 1; preparing a zirconium intermediate 2; under anhydrous and anaerobic conditions, uniformly stirring an organic solvent, the zirconium intermediate 1 and the zirconium intermediate 2, and reacting to obtain a zirconium carbide ceramic precursor; uniformly stirring the tantalum carbide ceramic precursor, the zirconium carbide ceramic precursor and an organic solvent, and sequentially carrying out heat treatment and drying to obtain the high-entropy tantalum-zirconium-carbon ceramic precursor. The high-entropy tantalum-zirconium-carbon ceramic precursor with stable high-temperature mechanical properties can be prepared, the process is simple, the controllable degree is high, and the ceramic yield is high.
本发明给出了一种高熵钽锆碳陶瓷前驱体及其制备方法，属于陶瓷材料技术领域，包括：在氮气气氛下，向钽源溶液中加入金属离子强配位剂并加热反应，再加入金属离子弱配位剂，随后加入有机溶剂和水的混合物后依次进行加热回流和固化，得到碳化钽陶瓷前驱体在氮气气氛下；制备锆中间体1；制备锆中间体2；在无水无氧条件下，将有机溶剂、锆中间体1和锆中间体2搅拌均匀后反应，得到碳化锆陶瓷前驱体；将碳化钽陶瓷前驱体、碳化锆陶瓷前驱体和有机溶剂搅拌均匀后依次进行热处理和干燥，得到高熵钽锆碳陶瓷前驱体。本发明能够制备出高温力学性能稳定的高熵钽锆碳陶瓷前驱体，且工艺简单，可控程度高，陶瓷产率高。
High-entropy tantalum-zirconium-carbon ceramic precursor and preparation method thereof
一种高熵钽锆碳陶瓷前驱体及其制备方法
YE MINGXIN (Autor:in) / SHEN JIANFENG (Autor:in) / YE CHUMING (Autor:in) / LI NA (Autor:in) / REN ZHOUHONG (Autor:in) / LI SHUANGWEN (Autor:in)
06.12.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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