Published date: May 06 2018

Journal Title: KnE Materials Science

Issue title: 15th International School-Conference "New Materials – Materials of Innovative Energy" (MIE)

Pages: 566–574

DOI: 10.18502/kms.v4i1.2211

E A Potaninaekaterina.potanina@list.ru

D A Mikhailov

M S Boldin

A V Nokhrin

N V Sakharov

O A Belkin

E A Lantsev

M G Tokarev

The Spark Plasma Sintering method was used to produce high-density ceramics from tungstates SrWO4 and NaNd(WO4)2 with scheelite structure. These compounds are proposed as possible matrices for the consolidation of radwaste components. Powder samples were obtained by coprecipitation method and studied by X-ray diffraction analysis (XRD) and scanning electron microscopy (SEM). After sintering, the samples retained their phase identity (scheelite structure). The total duration of sintering was ∼ 13-15 min, the relative density was reached ∼ 92, 99%.

Keywords: Tungstates, RW, Spark Plasma Sintering, high density, microstructure

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