Investigation of the phase formation processes in the Li-N, Si3N4-Li3N, and Si3N4-Li3N-Y2O3 systems

被引：0
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作者：
Bartnitskaya, T.S. [1 ]
Grigor'ev, O.N. [1 ]
Krushinskaya, L.A. [1 ]
Rogozinskaya, A.A. [1 ]
Klochkov, L.A. [1 ]
Dubovik, T.V. [1 ]
机构：
[1] Inst. Problem Materialovedeniya, NAN Ukrainy, Kiev, Ukraine
来源：
Poroshkovaya Metallurgiya | 2002年 / 7-8期
关键词：
High temperature effects - Hot pressing - Lithium - Nitriding - Nitrogen compounds - Phase transitions - Stoichiometry - Ternary systems;
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摘要：
The processes of phase formation in the systems Li-N- and Si3N4-Li3N were studied. Lithium nitride Li3N of approximately stoichiometric composition was obtained from lithium powder and nitrogen at 400-600°C. In the system of powders Si3N4-Li3N the most active formation of the triple compounds was observed at 500°C (Li8SiN4), 900°C (Li5SiN3, Li2SiN2) and 1300°C (LiSi2N3). The investigated properties of hot-pressed composition material of system Si3N4-Li3N-Y2O3 are permitted to add its to solid electrolytes.
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页码：88 / 92
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