| Autor: |
Anil, Aiswarya, Rao, R. Ramachandra |
| Předmět: |
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| Zdroj: |
AIP Conference Proceedings; 2024, Vol. 3060 Issue 1, p1-8, 8p |
| Abstrakt: |
In the present study Si2N2O is prepared from stoichiometric mixture of Si3N4 and SiO2 through slip casting and reaction sintering method. Si3N4 and SiO2 powders were characterized for crystallographic phase and particle size distribution. The dispersion behavior of Si3N4 in deionized water (DIW) was estimated through zeta potential measurement. High zeta potential values of >45 mV at pH 10 and above indicate good dispersion. The slips of Si3N4 and SiO2 having solid loading of 69 to 72 Wt.% when slip cast into plaster molds give green density of 53±1%. On reaction sintering in the temperature range of 1550°C to 1650 ⁰C in nitrogen atmosphere the products have density of 63 to 80% and apparent porosity 12 to 33%. The samples sintered at 1650 ⁰C for 1 h and 2 h show 3-point flexural strength of about 80-100 MPa and porous microstructure. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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