Investigation of the Production of β-Al 2 O 3 Solid Electrolyte from Seydişehir α-Al 2 O 3

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Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi
Volume:21 Issue:3
Investigation of the Production of β-Al 2 O 3 Solid Electrolyte from Seydişehir α-Al 2 O 3

Investigation of the Production of β-Al 2 O 3 Solid Electrolyte from Seydişehir α-Al 2 O 3

Authors : Zeynep TAŞLIÇUKUR ÖZTÜRK, Selin ENGÜRLÜ, Nilgun KUŞKONMAZ

Pages : 816-819

Doi:10.19113/sdufbed.31721

View : 41 | Download : 10

Publication Date : 2017-10-24

Article Type : Research Paper

Abstract :In this study, we report the production of β˝-Al 2 O 3 solid electrolyte by using Seydişehir α-Al 2 O 3 . Alumina has to be low grain-sized to ensure α-β phase transformation. Therefore, grain refining process was applied to high grain sized Seydişehir alumina by jetmill grinding. Seydişehir alumina was calcined at 1200 0 C for 2 hours. After calcination, calcined Al 2 O 3 and Na 2 CO 3 were mixed during 2 hours in the mill. The samples were pressed and sintered to obtain β˝-Al 2 O 3 . β˝-Al 2 O 3 was obtained after sintering at 1550°C for 1 hour. Due to the formation of β˝-Al 2 O 3 , it is observed that dielectric properties increased.
Keywords : α Al2O3, Calcination, Sintering, β Al2O3, Dielectric properties

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