Fig. 1: Gravity-driven sintering (GDS) process and setup for the ceramic synthesis.
From: A gravity-driven sintering method to fabricate geometrically complex compact piezoceramics
a Schematic of the GDS synthesis process, in which the pressed green compact is placed on two alumina supports and sintered into a dense ceramic. b Schematic of the mechanism of the GDS process, in which the force equilibrium in the initial stage is broken in the deformation stage due to the quasi-liquid state of the sintering specimen under high temperature. In the equilibrium stage, a new force equilibrium forms and the curved configuration maintains to the final stage. c Photograph of the fabricated PZT ceramic in a curved geometry.
