Abstract
Spark plasma sintering process was used to densify yttrium silicate powder doped with Europium, at temperature of 1673 K. Densification rate was evaluated during spark plasma sintering of yttrium silicate powder doped with 0, 1, 2.5 and 5 Eu weight percent. The activation energy for densification of the powder was determined at early stage of the sintering. After sintering the microstructure was analysed from sintered coupons doped with Europium+3, identifying an yttrium silicate second phase present.
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