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High-toughness silicon carbide ceramic and low-temperature sintering technology thereof
The invention discloses high-toughness silicon carbide ceramic and a low-temperature sintering technology thereof. The high-toughness silicon carbide ceramic comprises, by weight, 100 parts of alpha-silicon carbide, 0.3-1.2 parts of boron carbide and 3-10 parts of YAG powder, wherein the granularity D50 of the YAG powder is smaller than or equal to 6.0 micrometers. Silicon carbide potteries obtained through the sintering technology are good in structural compactness, high in fracture toughness and lower in sintering temperature compared with the prior art, so that better operability and production convenience are achieved, the production cost of products is lowered, and production energy consumption is saved.
High-toughness silicon carbide ceramic and low-temperature sintering technology thereof
The invention discloses high-toughness silicon carbide ceramic and a low-temperature sintering technology thereof. The high-toughness silicon carbide ceramic comprises, by weight, 100 parts of alpha-silicon carbide, 0.3-1.2 parts of boron carbide and 3-10 parts of YAG powder, wherein the granularity D50 of the YAG powder is smaller than or equal to 6.0 micrometers. Silicon carbide potteries obtained through the sintering technology are good in structural compactness, high in fracture toughness and lower in sintering temperature compared with the prior art, so that better operability and production convenience are achieved, the production cost of products is lowered, and production energy consumption is saved.
High-toughness silicon carbide ceramic and low-temperature sintering technology thereof
LI YOUBAO (Autor:in) / LI YONGPING (Autor:in)
21.10.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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