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Silicon nitride ceramic sintered body and preparation method thereof
Disclosed are a silicon nitride ceramic sintered body and a preparation method thereof. The silicon nitride ceramic sintered body has a content of a silicon nitride crystalline phase of not less than 98 wt %, a relative density of not less than 99%, a porosity of not larger than 1%, a grain boundary phase including Li, O, N, and Si elements, and a total content of C, F, Al, Mg, K, Ca, Na and rare-earth metals elements of less than 0.1 wt %.
Silicon nitride ceramic sintered body and preparation method thereof
Disclosed are a silicon nitride ceramic sintered body and a preparation method thereof. The silicon nitride ceramic sintered body has a content of a silicon nitride crystalline phase of not less than 98 wt %, a relative density of not less than 99%, a porosity of not larger than 1%, a grain boundary phase including Li, O, N, and Si elements, and a total content of C, F, Al, Mg, K, Ca, Na and rare-earth metals elements of less than 0.1 wt %.
Silicon nitride ceramic sintered body and preparation method thereof
WANG LUJIE (Autor:in) / QIAO ZHUHUI (Autor:in) / LI TONGYANG (Autor:in) / WANG ZIYUE (Autor:in) / YU YUAN (Autor:in) / TANG HUAGUO (Autor:in)
07.11.2023
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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