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Carbon-based composite material for continuous silicon carbide ceramic skeleton separation as well as preparation method and application of carbon-based composite material
The invention discloses a continuous silicon carbide ceramic separated carbon-based composite material as well as a preparation method and application thereof, and belongs to the technical field of preparation of inorganic non-metallic materials. Mesocarbon microbeads serve as a matrix phase, silicon carbide serves as a ceramic reinforced phase, the ceramic reinforced phase closely surrounds the matrix phase, and the isotropic structure composite material with the continuous reinforced phase and the separated matrix phase is formed. The preparation method comprises the following steps: firstly, generating a silicon carbide layer on the surface of mesocarbon microbeads in situ through a combustion synthesis method to form coated powder, and then sintering the coated powder to form the continuous silicon carbide ceramic separated carbon-based composite material. The preparation method of the silicon carbide ceramic separated carbon-based composite material is stable in process and low in cost, the isotropic carbon-based composite material with excellent sintering performance, mechanical performance and oxidation resistance is prepared, the application requirements in the fields of nuclear industry, aerospace and the like can be met, and wide application prospects are achieved.
本发明公开了一种连续碳化硅陶瓷分隔的碳基复合材料及制备方法和应用，属于无机非金属材料制备技术领域。本发明以中间相炭微球作为基体相，以碳化硅作为陶瓷增强相，所述陶瓷增强相紧密围绕在基体相周围，形成具有增强相连续且基体相分隔的各向同性结构复合材料。本发明首先通过燃烧合成方法在中间相炭微球表面原位生成碳化硅层，形成包覆粉体，然后将包覆粉体经烧结后形成连续碳化硅陶瓷分隔的碳基复合材料。本发明制备碳化硅陶瓷分隔的碳基复合材料的工艺稳定、成本低，制备得到具有优异的烧结性能、力学性能和抗氧化性能的各向同性碳基复合材料，可满足核工业、航空航天等领域的应用需求，具有广阔的应用前景。
Carbon-based composite material for continuous silicon carbide ceramic skeleton separation as well as preparation method and application of carbon-based composite material
The invention discloses a continuous silicon carbide ceramic separated carbon-based composite material as well as a preparation method and application thereof, and belongs to the technical field of preparation of inorganic non-metallic materials. Mesocarbon microbeads serve as a matrix phase, silicon carbide serves as a ceramic reinforced phase, the ceramic reinforced phase closely surrounds the matrix phase, and the isotropic structure composite material with the continuous reinforced phase and the separated matrix phase is formed. The preparation method comprises the following steps: firstly, generating a silicon carbide layer on the surface of mesocarbon microbeads in situ through a combustion synthesis method to form coated powder, and then sintering the coated powder to form the continuous silicon carbide ceramic separated carbon-based composite material. The preparation method of the silicon carbide ceramic separated carbon-based composite material is stable in process and low in cost, the isotropic carbon-based composite material with excellent sintering performance, mechanical performance and oxidation resistance is prepared, the application requirements in the fields of nuclear industry, aerospace and the like can be met, and wide application prospects are achieved.
本发明公开了一种连续碳化硅陶瓷分隔的碳基复合材料及制备方法和应用，属于无机非金属材料制备技术领域。本发明以中间相炭微球作为基体相，以碳化硅作为陶瓷增强相，所述陶瓷增强相紧密围绕在基体相周围，形成具有增强相连续且基体相分隔的各向同性结构复合材料。本发明首先通过燃烧合成方法在中间相炭微球表面原位生成碳化硅层，形成包覆粉体，然后将包覆粉体经烧结后形成连续碳化硅陶瓷分隔的碳基复合材料。本发明制备碳化硅陶瓷分隔的碳基复合材料的工艺稳定、成本低，制备得到具有优异的烧结性能、力学性能和抗氧化性能的各向同性碳基复合材料，可满足核工业、航空航天等领域的应用需求，具有广阔的应用前景。
Carbon-based composite material for continuous silicon carbide ceramic skeleton separation as well as preparation method and application of carbon-based composite material
一种连续碳化硅陶瓷骨架分隔的碳基复合材料及制备方法和应用
GUO SHENGWU (author) / SHI ZHONGQI (author) / ZHANG BIAO (author) / WEI ZHILEI (author) / XIA HONGYAN (author)
2024-02-27
Patent
Electronic Resource
Chinese
| European Patent Office | 2020
| European Patent Office | 2024
| European Patent Office | 2015
| European Patent Office | 2022