Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Chopped fiber reinforced ultra-high temperature ceramic matrix composite material and preparation method thereof
The invention provides a chopped fiber reinforced ultra-high-temperature ceramic matrix composite material and a preparation method thereof. The chopped fiber reinforced ultra-high-temperature ceramic matrix composite material is prepared from the following raw materials: mixed powder and chopped fibers, the mixed powder comprises silicon boron oxygen nitrogen, pure silicon powder, zirconium diboride and a carbon source; the mass ratio of the silicon boron oxygen nitrogen to the pure silicon powder to the zirconium diboride to the carbon source is (35-45): (12-20): (18-27): (18-25). According to the chopped fiber reinforced ultrahigh-temperature ceramic matrix composite material, mixed powder composed of silicon-boron-oxygen-nitrogen, pure silicon powder, zirconium diboride and a carbon source and chopped fibers are used as preparation raw materials, a reaction hot pressing sintering process is adopted, the obtained composite material has high density and low porosity, the bending strength and oxidation resistance of the composite material are improved, and the service life of the composite material is prolonged. And the preparation method has the advantages of few production steps, simple production process and short process flow, and is suitable for large-scale industrial production.
本发明提供一种短切纤维增强超高温陶瓷基复合材料及其制备方法，短切纤维增强超高温陶瓷基复合材料的制备原料包括混合粉体和短切纤维；所述混合粉体包括硅硼氧氮、纯硅粉、二硼化锆和碳源；硅硼氧氮、纯硅粉、二硼化锆、碳源的质量比为35～45：12～20：18～27：18～25。该短切纤维增强超高温陶瓷基复合材料以硅硼氧氮、纯硅粉、二硼化锆和碳源构成的混合粉体和短切纤维为制备原料，采用反应热压烧结工艺，得到的复合材料具有较高的密度和较低的孔隙率，提高了复合材料的抗弯强度和抗氧化性能，且制备方法生产步骤少、生产工艺简单，工艺流程短，适合大规模的工业生产。
Chopped fiber reinforced ultra-high temperature ceramic matrix composite material and preparation method thereof
The invention provides a chopped fiber reinforced ultra-high-temperature ceramic matrix composite material and a preparation method thereof. The chopped fiber reinforced ultra-high-temperature ceramic matrix composite material is prepared from the following raw materials: mixed powder and chopped fibers, the mixed powder comprises silicon boron oxygen nitrogen, pure silicon powder, zirconium diboride and a carbon source; the mass ratio of the silicon boron oxygen nitrogen to the pure silicon powder to the zirconium diboride to the carbon source is (35-45): (12-20): (18-27): (18-25). According to the chopped fiber reinforced ultrahigh-temperature ceramic matrix composite material, mixed powder composed of silicon-boron-oxygen-nitrogen, pure silicon powder, zirconium diboride and a carbon source and chopped fibers are used as preparation raw materials, a reaction hot pressing sintering process is adopted, the obtained composite material has high density and low porosity, the bending strength and oxidation resistance of the composite material are improved, and the service life of the composite material is prolonged. And the preparation method has the advantages of few production steps, simple production process and short process flow, and is suitable for large-scale industrial production.
本发明提供一种短切纤维增强超高温陶瓷基复合材料及其制备方法，短切纤维增强超高温陶瓷基复合材料的制备原料包括混合粉体和短切纤维；所述混合粉体包括硅硼氧氮、纯硅粉、二硼化锆和碳源；硅硼氧氮、纯硅粉、二硼化锆、碳源的质量比为35～45：12～20：18～27：18～25。该短切纤维增强超高温陶瓷基复合材料以硅硼氧氮、纯硅粉、二硼化锆和碳源构成的混合粉体和短切纤维为制备原料，采用反应热压烧结工艺，得到的复合材料具有较高的密度和较低的孔隙率，提高了复合材料的抗弯强度和抗氧化性能，且制备方法生产步骤少、生产工艺简单，工艺流程短，适合大规模的工业生产。
Chopped fiber reinforced ultra-high temperature ceramic matrix composite material and preparation method thereof
一种短切纤维增强超高温陶瓷基复合材料及其制备方法
WU YUN (Autor:in) / LI SONG (Autor:in) / SUI HAO (Autor:in) / ZHOU JIANSHAN (Autor:in) / YU ZHENQIANG (Autor:in) / GAO LONGFEI (Autor:in)
20.09.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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