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The study investigates the effect of Yb2O3 as an additive on the densification and corrosion resistance of MgAl2O4 spinel. Results indicate that adding 2 wt% Yb2O3 significantly improves the relative density to 99.6% and reduces apparent porosity to 0%, while also enhancing hardness and minimizing corrosion depth. The formation of the second phase, Al5Yb3O12, at grain boundaries contributes to these improvements in microstructure and performance.

Author

Dianying Chen

Language

EN