| 摘要 |
PURPOSE: A blade using superhard fine particle is provided to easily cut, ensure wear resistance, and keep the blade for a long time with durability. CONSTITUTION: A blade using superhard fine particle (3) comprises a main body of blade and cutting part. At least one among the main body of blade and cutting part is manufactured using powder composition through powder metallurgy. The powder composition comprises 1-5 weight% of superhard particle powder having 1um-5um particle size and 95-99 weight% of metal powder.
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