| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for manufacturing WC powder having an extremely narrow particle size distribution. <P>SOLUTION: In a method for manufacturing tungsten carbide powder, at least one organic or inorganic metal salt of group IV, group V and group VI in periodic table, preferably Cr, V, Mo and W, is dissolved in at least one polar solvent, and WO<SB>3</SB>powder is added to the solution, and the solvent is evaporated, and remaining powder is heat-treated in a reducing atmosphere and mixed with carbon and carbonized. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
