Characteristics of SiC/nano-TiN Aqueous Mixed Slurry and Its Spray Drying Behavior
Source abstract
Abstract
The aqueous slurries were prepared using tetramethyl ammonium hydroxide(TMAH)as dispersant,nano-TiN and submicron SiC powders as starting materials.The dispersion,stabilization mechanism and spray drying behaviors of SiC/nano-TiN aqueous mixed slurry were analyzed.The results show that TMAH can be absorbed on the surface of nano-TiN and SiC particles,and the dispersibility of particles is cooperatively improved by electrostatic and steric effects.The mixed slurry possesses better dispersion and stabilization when pH value is 8 and the amount of TMAH is 0.75wt%, and the SiC/nano-TiN composite powders prepared by spray drying distribute uniformly with good fluidity.
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Research context
OpenAlex topics: Advanced ceramic materials synthesis · Aluminum Alloys Composites Properties · Advanced materials and composites
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