%0 Journal Article
%A Azurmendi, Naiara
%A Caro, Iñaki
%A Caballero, Amador C.
%A Jardiel, Teresa
%A Villegas, Marina
%T Microwave-assisted reaction sintering of bismuth titanate-based ceramics
%D 2006
%@ 0002-7820
%U https://hdl.handle.net/11556/3781
%X Bismuth titanate-based ceramics, pure and doped with 5 mol% WO3, were prepared by reaction-sintering using a microwave oven. High densities, ≥96% of theoretical density were achieved with very short thermal treatments, with soaking time ranging from 5 to 15 min. Relatively small platelet-like grains were formed, and microstructure seemed not to be strongly affected by doping nor soaking time. Electrical measurements were performed and, as expected, a decrease of electrical conductivity was observed in WO 3-doped materials. The results of reaction-sintered samples, both conventional as well as microwave sintered, are compared with those of samples prepared with previously calcined powders and sintered using microwaves as well as a conventional electric furnace.
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