PHASE TRANSFORMATION IN SiO2-Si3N4 SYSTEM WITH Li2CO3 ADDITIVE
2010 ◽
Vol 24
(15n16)
◽
pp. 2875-2879
Keyword(s):
In the present work, a series of samples were prepared by pressureless sintering from the starting materials of Si 3 N 4 (α and/or β phases), SiO 2 and Li 2 CO 3. The phase transformation was studied with emphasis on the influence of sintering temperature and Li 2 CO 3 content. Related phase transformation was observed and analyzed by SEM and XRD and probable mechanisms were given, which will be helpful for the further explanation to the oxidation mechanism of Si 3 N 4 based ceramics at elevated temperature.
2005 ◽
Vol 475-479
◽
pp. 1271-1274
◽
2015 ◽
Vol 1112
◽
pp. 519-523
◽
2014 ◽
Vol 616
◽
pp. 157-165
◽
Keyword(s):
2010 ◽
Vol 159
◽
pp. 145-148
◽
2011 ◽
Vol 335-336
◽
pp. 699-703
2014 ◽
Vol 997
◽
pp. 419-423
◽
2011 ◽
Vol 399-401
◽
pp. 855-859
2020 ◽