| 摘要 |
<p>In the present invention, a first die is filled with a mixed powder resulting from admixing 0.1-0.2% by weight ratio of a low-melting-point lubricant powder to a basic metal powder, a first applied pressure is applied within the first die, molding a mixed powder intermediate compact having a real density ratio of 80-90%, the mixed powder intermediate compact is heated, actively raising the temperature of the mixed powder intermediate compact to a melting point equivalent temperature of the lubricant powder, the temperature-elevated mixed powder intermediate compact is set in a second die that has been warmed to the melting point equivalent temperature, and a second applied pressure is applied to the mixed powder intermediate compact within the second die, molding a high-density mixed powder completed compact.</p> |
