intering is a technology that uses heat to densify powder bodies. Its specific definition refers to the densification process of porous ceramic bodies under high temperature conditions with reduced surface area, reduced porosity, and improved mechanical properties.
The type of sintering can be divided into liquid phase sintering and solid phase sintering
Liquid phase sintering refers to the sintering process in which the sintering temperature is higher than the melting temperature of at least one of the powders in the sintering of a bad body containing various powders, so that a liquid phase appears during the sintering process. Its advantages include: improving the driving force of sintering , to prepare ceramic composites with controlled microstructure and optimized properties.
Solid phase sintering is divided into three stages: the initial stage, the main surface is the change of particle shape; the middle stage, mainly the change of pore shape; the final stage is mainly the decrease of pore size.
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Post time: Jan-29-2023