Abstract： |
Production of high-purity Ti3SiC2 ceramic powder under vacuum state is characterized by taking TiC powder, Ti powder and Si powder as materials, furnishing with mol proportion TiC:Ti:Si=2: (1:¡«1.3): (1.1¡«1.5), ball milling, mixing, drying, mesh screening, putting into alumina crucible, placing it into vacuum reacting furnace, pre-pumping vacuum to 5¡«20Pa, raising temperature to 1300¡«1400¡ãC at speed <=50¡ãC/cm, keeping temperature at 1300¡«1400¡ãC under vacuum environment for 1¡«2 hrs, cooling to room temperature to obtain Ti3SiC2 ceramic powder with content>97%. It is simple and cheap, has high purity and used for scale industrial production. |
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