Aqueous slip casting of translucent MAGNESIUM ALUMINATE (cas 12068-51-8) spinel: Effects of dispersant concentration and solid loading

Add time:07/30/2019    Source:sciencedirect.com

In the present study, influences of the dispersant concentration and solid loading on the rheological properties of MAGNESIUM ALUMINATE (cas 12068-51-8) 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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