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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pressureless sintered boron carbide ceramic powder as well as preparation method and application thereof
The invention discloses pressureless sintered boron carbide powder as well as a preparation method and application thereof. According to the pressureless sintered boron carbide ceramic powder, boron carbide particles are coated with carbon. According to the pressureless sintered boron carbide powder, C coating treatment is conducted on the surfaces of boron carbide particles with the d50 smaller than 2 microns, ball milling is conducted with the sintering aid, the binder, the dispersing agent and the pH regulator together, slurry with the moderate viscosity is obtained, the pressureless sintered boron carbide powder prepared through spray drying has the advantage of being good in sintering performance, sintering of boron carbide ceramic can be effectively promoted, the sintering densification of the boron carbide ceramic is facilitated, and the method is suitable for large-scale production of high-performance boron carbide ceramic products.
本发明公开了一种无压烧结碳化硼粉体及其制备方法与应用，无压烧结碳化硼陶瓷粉体，碳化硼颗粒用碳进行了包覆。本发明的无压烧结碳化硼粉体，在d50<2μm的碳化硼颗粒表面进行C包覆处理，与烧结助剂、粘结剂、分散剂、pH调节剂一起球磨，得到粘度适中的浆料，经过喷雾干燥制备的无压烧结碳化硼粉体具有烧结性好的优点，可以有效促进碳化硼陶瓷的烧结，有利于碳化硼陶瓷的烧结致密化，适合于规模化生产高性能碳化硼陶瓷产品。
Pressureless sintered boron carbide ceramic powder as well as preparation method and application thereof
The invention discloses pressureless sintered boron carbide powder as well as a preparation method and application thereof. According to the pressureless sintered boron carbide ceramic powder, boron carbide particles are coated with carbon. According to the pressureless sintered boron carbide powder, C coating treatment is conducted on the surfaces of boron carbide particles with the d50 smaller than 2 microns, ball milling is conducted with the sintering aid, the binder, the dispersing agent and the pH regulator together, slurry with the moderate viscosity is obtained, the pressureless sintered boron carbide powder prepared through spray drying has the advantage of being good in sintering performance, sintering of boron carbide ceramic can be effectively promoted, the sintering densification of the boron carbide ceramic is facilitated, and the method is suitable for large-scale production of high-performance boron carbide ceramic products.
本发明公开了一种无压烧结碳化硼粉体及其制备方法与应用，无压烧结碳化硼陶瓷粉体，碳化硼颗粒用碳进行了包覆。本发明的无压烧结碳化硼粉体，在d50<2μm的碳化硼颗粒表面进行C包覆处理，与烧结助剂、粘结剂、分散剂、pH调节剂一起球磨，得到粘度适中的浆料，经过喷雾干燥制备的无压烧结碳化硼粉体具有烧结性好的优点，可以有效促进碳化硼陶瓷的烧结，有利于碳化硼陶瓷的烧结致密化，适合于规模化生产高性能碳化硼陶瓷产品。
Pressureless sintered boron carbide ceramic powder as well as preparation method and application thereof
一种无压烧结碳化硼陶瓷粉体及其制备方法与应用
ZHANG YUJUN (Autor:in) / ZHANG ZHENHAO (Autor:in) / LI QISONG (Autor:in) / SUN HAIBIN (Autor:in) / GAO PENG (Autor:in) / ZHAO YUJUN (Autor:in)
08.01.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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