Microstructure and Toughness of Seeded Hot-Pressed Si3N4 Ceramics

Densification, phase transformation and fracture toughness were studied in hot-pressed Si3N4 seeded by in-house produced large, elongated β-Si3N4 seeds. A mixture of Y2O3-Al2O3 was used as the sintering aid. Concentration of seeds were varied from 0 to 6 wt pct and the sintering time at 1700℃ was va...

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Veröffentlicht in:	材料科学技术学报(英文版) 2004-05, Vol.20 (3), p.241-244
Hauptverfasser:	D.Bucevac, S.Boskovic, M.Vlajic, V.Krstic
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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