Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method for biomass base porous silicon carbide wave absorbing material
The invention belongs to the field of porous material preparation, and particularly relates to a preparation method for a biomass base porous silicon carbide wave absorbing material. The preparation method solves the problems that an existing preparation method for the carbide wave absorbing material is poor in repeatability and complex to implement, and the carbide wave absorbing material is poor in wave absorbing performance and narrow in effective microwave absorbing frequency band. The preparation method comprises the steps that vacuum freeze drying is performed to obtain biomass obtained after vacuum drying is performed; carbonization treatment is performed to obtain porous carbon materials; sintering is performed to obtain the biomass base porous silicon carbide wave absorbing material. The preparation method has the advantages that the obtained biomass base porous silicon carbide wave absorbing material is of a three-dimensional communication network structure and has the characteristic of being wide in frequency band and strong in absorption, and the preparation method is mainly used for preparing the biomass base porous silicon carbide wave absorbing material.
Preparation method for biomass base porous silicon carbide wave absorbing material
The invention belongs to the field of porous material preparation, and particularly relates to a preparation method for a biomass base porous silicon carbide wave absorbing material. The preparation method solves the problems that an existing preparation method for the carbide wave absorbing material is poor in repeatability and complex to implement, and the carbide wave absorbing material is poor in wave absorbing performance and narrow in effective microwave absorbing frequency band. The preparation method comprises the steps that vacuum freeze drying is performed to obtain biomass obtained after vacuum drying is performed; carbonization treatment is performed to obtain porous carbon materials; sintering is performed to obtain the biomass base porous silicon carbide wave absorbing material. The preparation method has the advantages that the obtained biomass base porous silicon carbide wave absorbing material is of a three-dimensional communication network structure and has the characteristic of being wide in frequency band and strong in absorption, and the preparation method is mainly used for preparing the biomass base porous silicon carbide wave absorbing material.
Preparation method for biomass base porous silicon carbide wave absorbing material
XU YONGJUN (Autor:in) / LIU CHENYU (Autor:in) / WANG ZHIJIANG (Autor:in) / JIANG ZHAOHUA (Autor:in)
07.10.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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