Characteristics and advantages of vacuum hot pressing by using method of sintering dia-mond bit are described briefly in this paper, i. e.

• 本文阐述了真空热压烧结金刚石钻头的特点、优越性，即排杂、脱氧、脱气、促进金属粉末合金化、降低金刚石强度的热力损失、钻头内在质量明显改善；