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Continuous carbon fiber toughened WC ceramic composite material and preparation method thereof
The invention belongs to the technical field of composite materials, and particularly relates to a preparation method of a continuous carbon fiber toughened WC ceramic composite material, which comprises the following steps: uniformly dispersing WC in a solvent to obtain a WC suspension; fixing the surface-modified continuous carbon fiber woven part at an electrode of electrophoresis equipment, electrifying, and uniformly depositing WC on the surface of the continuous carbon fiber woven part to obtain a process product; and drying the process product, and then adopting a spark plasma sintering or hot pressed sintering process to obtain the continuous carbon fiber toughened WC ceramic composite material. According to the continuous carbon fiber toughened WC ceramic composite material, the density is larger than or equal to 13.5 g/cm < 3 >, the hardness is larger than or equal to 20.5 GPa, the bending strength is larger than or equal to 1830 MPa, and the fracture toughness is larger than or equal to 19.5 MPa.m < 1/2 >.
本发明属于复合材料技术领域，具体涉及一种连续碳纤维增韧WC陶瓷复合材料的制备方法，将WC均匀分散于溶剂当中，得到WC悬浮液；将经过表面改性的连续碳纤维编织件固定于电泳设备电极处，通电后将WC均匀沉积于连续碳纤维编织件表面得到过程产物；将过程产物进行干燥，随后采用放电等离子烧结或热压烧结工艺获得连续碳纤维增韧WC陶瓷复合材料。本发明连续碳纤维增韧WC陶瓷复合材料的密度≥13.5g/cm3，硬度≥20.5GPa，弯曲强度≥1830MPa，断裂韧性≥19.5MPa·m1/2。
Continuous carbon fiber toughened WC ceramic composite material and preparation method thereof
The invention belongs to the technical field of composite materials, and particularly relates to a preparation method of a continuous carbon fiber toughened WC ceramic composite material, which comprises the following steps: uniformly dispersing WC in a solvent to obtain a WC suspension; fixing the surface-modified continuous carbon fiber woven part at an electrode of electrophoresis equipment, electrifying, and uniformly depositing WC on the surface of the continuous carbon fiber woven part to obtain a process product; and drying the process product, and then adopting a spark plasma sintering or hot pressed sintering process to obtain the continuous carbon fiber toughened WC ceramic composite material. According to the continuous carbon fiber toughened WC ceramic composite material, the density is larger than or equal to 13.5 g/cm < 3 >, the hardness is larger than or equal to 20.5 GPa, the bending strength is larger than or equal to 1830 MPa, and the fracture toughness is larger than or equal to 19.5 MPa.m < 1/2 >.
本发明属于复合材料技术领域，具体涉及一种连续碳纤维增韧WC陶瓷复合材料的制备方法，将WC均匀分散于溶剂当中，得到WC悬浮液；将经过表面改性的连续碳纤维编织件固定于电泳设备电极处，通电后将WC均匀沉积于连续碳纤维编织件表面得到过程产物；将过程产物进行干燥，随后采用放电等离子烧结或热压烧结工艺获得连续碳纤维增韧WC陶瓷复合材料。本发明连续碳纤维增韧WC陶瓷复合材料的密度≥13.5g/cm3，硬度≥20.5GPa，弯曲强度≥1830MPa，断裂韧性≥19.5MPa·m1/2。
Continuous carbon fiber toughened WC ceramic composite material and preparation method thereof
一种连续碳纤维增韧WC陶瓷复合材料及其制备方法
HU QING (author) / XIE YUANWU (author) / GAN ZHEN (author) / ZHONG ZHIQIANG (author) / XU GUOZUAN (author) / LIAO CHUNFA (author)
2024-10-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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