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Antioxidant Csf/SiBCN composite material and preparation method thereof
The invention relates to the technical field of composite materials, in particular to an antioxidant Csf/SiBCN composite material and a preparation method thereof.The method comprises the steps that amorphous MA SiBCN powder, phenolic resin and an organic solvent are evenly mixed, and MA SiBCN slurry is obtained; preparing a short carbon fiber-MA SiBCN slurry layered structure system, and carrying out curing treatment to obtain a layered short carbon fiber-MA SiBCN green body; under the protection atmosphere of inert gas, the layered short carbon fiber-MA SiBCN green body is subjected to a pyrolytic reaction and cooled to the room temperature, and the porous Csf/MA SiBCN composite material is obtained; the porous Csf/MA SiBCN composite material is subjected to at least one time of dipping-crosslinking-pyrolysis treatment, and the antioxidant Csf/SiBCN composite material is obtained; the Csf/SiBCN composite material prepared by the preparation method disclosed by the invention has relatively good oxidation resistance.
本发明涉及复合材料技术领域，具体而言，涉及一种抗氧化Csf/SiBCN复合材料及其制备方法，该方法包括：将非晶MA SiBCN粉体、酚醛树脂与有机溶剂混合均匀，得到MA SiBCN浆料；制备短碳纤维‑MA SiBCN浆料层状结构体系并进行固化处理，得到层状短碳纤维‑MA SiBCN坯体；在惰性气体保护气氛下，将层状短碳纤维‑MA SiBCN坯体进行热解反应，冷却至室温，得到多孔Csf/MA SiBCN复合材料；将多孔Csf/MA SiBCN复合材料进行至少一次浸渍‑交联‑热解处理，得到抗氧化Csf/SiBCN复合材料；本发明制得的Csf/SiBCN复合材料具有较佳的抗氧化性。
Antioxidant Csf/SiBCN composite material and preparation method thereof
The invention relates to the technical field of composite materials, in particular to an antioxidant Csf/SiBCN composite material and a preparation method thereof.The method comprises the steps that amorphous MA SiBCN powder, phenolic resin and an organic solvent are evenly mixed, and MA SiBCN slurry is obtained; preparing a short carbon fiber-MA SiBCN slurry layered structure system, and carrying out curing treatment to obtain a layered short carbon fiber-MA SiBCN green body; under the protection atmosphere of inert gas, the layered short carbon fiber-MA SiBCN green body is subjected to a pyrolytic reaction and cooled to the room temperature, and the porous Csf/MA SiBCN composite material is obtained; the porous Csf/MA SiBCN composite material is subjected to at least one time of dipping-crosslinking-pyrolysis treatment, and the antioxidant Csf/SiBCN composite material is obtained; the Csf/SiBCN composite material prepared by the preparation method disclosed by the invention has relatively good oxidation resistance.
本发明涉及复合材料技术领域，具体而言，涉及一种抗氧化Csf/SiBCN复合材料及其制备方法，该方法包括：将非晶MA SiBCN粉体、酚醛树脂与有机溶剂混合均匀，得到MA SiBCN浆料；制备短碳纤维‑MA SiBCN浆料层状结构体系并进行固化处理，得到层状短碳纤维‑MA SiBCN坯体；在惰性气体保护气氛下，将层状短碳纤维‑MA SiBCN坯体进行热解反应，冷却至室温，得到多孔Csf/MA SiBCN复合材料；将多孔Csf/MA SiBCN复合材料进行至少一次浸渍‑交联‑热解处理，得到抗氧化Csf/SiBCN复合材料；本发明制得的Csf/SiBCN复合材料具有较佳的抗氧化性。
Antioxidant Csf/SiBCN composite material and preparation method thereof
一种抗氧化Csf/SiBCN复合材料及其制备方法
LI DAXIN (author) / DOU WENHAO (author) / WANG BINGZHU (author) / YANG ZHIHUA (author) / JIA DECHANG (author) / ZHOU YU (author)
2023-12-19
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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