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TANTALUM CARBIDE POWDER, TANTALUM CARBIDE-NIOBIUM COMPOSITE POWDER AND THEIR PRODUCTION METHOD
TANTALUM CARBIDE POWDER, TANTALUM CARBIDE-NIOBIUM COMPOSITE POWDER AND THEIR PRODUCTION METHOD
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机译:碳化钽粉,碳化钽铌复合粉及其生产方法
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摘要
PROBLEM TO BE SOLVED: To provide tantalum carbide powder and solid solution of tantalum carbide-niobium as raw material for composite material, each of which is composed of fine and uniform particles uniformly dispersed, also stoichiometrically sufficiently bonded with carbon and has a low oxygen content, and to provide their production methods.;SOLUTION: Each of the tantalum carbide powder and tantalum carbide-niobium composite powder has a primary particle average diameter of 0.10 to 0.40 μm measured by a specific surface area method (BET method), a secondary particle average diameter of 0.40 to 1.0 μm measured by an FSSS method, and also has (the primary particle average diameter/secondary particle average diameter) within the range of 0.21 to 0.40.;COPYRIGHT: (C)2008,JPO&INPIT
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