Flash sintering is arousing growing interest because high-density ceramics can be obtained at lower temperatures and shorter dwell times than conventional sintering. However, not only temperature should controlled during flash but also parameters such as the electric field current considered. Controlling all processing allows comprehensive control of microstructure and, consequently, functional...

In this work, the 0.67BiFeO3-0.33BaTiO3 ferroelectric ceramic was prepared by Reaction Flash Sintering (RFS). This preparation technique combines synthesis and sintering in a single experiment. The starting oxides reacted during flash to produce stoichiometric well-sintered solid solution at temperature of 858 °C applying modest field 35 V cm?1. process takes place matter seconds, which allows ...

Cermets are ceramic metal composites. The metallic phase in the cermet typically undergoes oxidation during sintering air. Electric field-assisted processes such as technology/spark plasma (FAST/SPS) and flash involves very high heating rates, short processing time low temperature. main aim of this work was to see if techniques can prevent cermet. Sintering behavior 8YSZ-5 wt.% Ni studied by th...

Abstract This is the first study to conduct flash sintering of 3 mol% yttria-stabilized zirconia (3YSZ) ceramics at room temperature (25 °C) under a strong electric field, larger than 1 kV/cm. At standard atmospheric pressure (101 kPa), probability successful approximately half that low pressure, lower 80 kPa. The success proposed process was determined based on high arc performance different p...