Textures in CeramicsView this Special Issue
Texture and Microstructure in Hot-Pressed
The texture formation in hot-pressed -ceramics was investigated by means of X-ray diffraction. A ring-fibre texture is observed with the basal plane (002) perpendicular to the hot-pressing axis. The texture index of hot-pressed depends on the starting powder mixture and process parameters. The phase transfomation and the growth of - needlelike grains are correlated with the texture. Measurements of fracture toughness and aspect ratio confirm the correlation with microstructure. The structure is the result of crystal growth and flow process during hot-pressing.
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