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發(fā)布時間：2019-07-26

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文獻(xiàn)名： Aqueous slip casting of translucent magnesium aluminate spinel: Effects of dispersant concentration and solid loading

 

作者： Ali Talimian^a, Dusan Galusek^a,b

^aDepartment VILA, Centre for Functional and Surface Functionalised Glass (FunGlass), Alexander Dubcek University of Trencin, Trencin, Slovakia

^bDepartment VILA – Joint Glass Centre of the IIC SAS, TnUAD, FChPT STU, Študentská 2, 911 50 Tren?ín, Slovakia

 

摘要：In the present study, influences of the dispersant concentration and solid loading on the rheological properties of magnesium aluminate spinel suspensions are investigated. Aqueous suspensions of commercial spinel powder were prepared by using a polyelectrolyte dispersing agent up to 5?wt%. The viscosity of suspensions decreases continuously with the increase of dispersant concentration; this enables producing MgAl2O4 suspensions containing 30?vol% solid-loading (60?wt%). Green bodies with a relative density larger than 50% were produced from the suspensions; translucent spinel was obtained after sintering at 1550?°C for 2?h.

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