The grain growth in alumina compacts sintered under high pressure
Küçük Resim Yok
Tarih
2018
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Walter de Gruyter
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
In this study, alumina ceramics were produced with high density and nanograin size without additives from nano-size gamma-Al2O3. The effects of sintering pressure (3 GPa and 7 GPa) and temperature (600 degrees C and 1 200 degrees C) on the grain size of sintered samples were studied. It was shown that high pressure increases the nucleation rate while reducing the growth rate of the transformed alpha phase. Pressure-assisted densification decreases grain size, so that nano-scale grains can be achieved in the sintered structure. The effect of various sintering conditions on grain growth in alumina was investigated during high-pressure sintering for better understanding of pressure and temperature effects on microstructural properties.
Açıklama
Anahtar Kelimeler
Al2o3, Sintering, Grain Growth, Temperature, Ceramics
Kaynak
International Journal of Materials Research
WoS Q Değeri
Q4
Scopus Q Değeri
Q3
Cilt
109
Sayı
12
