In situ alumina/aluminum titanate bulk ceramic composites prepared by SPS from different structured composite powders

Dielectric properties of La1.75Ba0.25NiO4 ceramics prepared by spark plasma sintering

“…On the other hand, the spark plasma sintering (SPS) method has been used widely as a low temperature and rapid sintering method in the past decade [19][20][21][22][23][24][25]. The dense ceramics with smaller grain size, for example, nano-scale, can be easily prepared by SPS method because of its much lower sintering temperature and time [25].…”

Enhanced properties of alumina–aluminium titanate composites obtained by spark plasma reaction-sintering of slip cast green bodies

“…In their research, nano-Al2O3 began to react with nano-TiO2 powder to form the AT phase after SPS consolidation at 1150 ºC under a pressure of 63 MPa; however, the reaction was far to be complete and only a small amount of AT phase was formed in this composite. Yang et al [29] Only small microstructure differences between the composites are observed at this magnification. The ceramics prepared by SPRS exhibit full densification with absence of pores and with fine-grained growth of Al2O3 and Al2TiO5.…”

“…To the best of our knowledge, the available information reported in the literature about the study of the mechanical properties of A/AT composites sintered by SPRS is very scarce [29,30]. Yang et al [29] …”

EPD and spark plasma sintering of bimodal alumina/titania concentrated suspensions

“…Yang et al [7] reported the preparation of A-AT composites with relative ratio 87-13 using nanopowders and SPS and the hardness determined for this material was 16.7 GPa. Botero et al [25] have recently reported the effect of AT addition on the mechanical properties of A-AT materials.…”

“…However, the use of nanosized particles to promote the formation of nanocomposites has drawn little attention, due to the inherent difficulties arising from the dispersion of the nanosized phase into the matrix. However, the use of fast firing techniques such as SPS has demonstrated to be a suitable way to produce dense A/AT materials by reaction sintering using nanopowders [7,8]. To improve the dispersion of such nanoparticles one possible route is the colloidal filtration, which has been also explored recently to obtain dense A/AT materials [9,10].…”