Process for making diamond and cubic boron nitride compacts

Details Process for making diamond and cubic boron nitride compacts Process for making diamond and cubic boron nitride compacts

1983-10-14

1985-06-25

Lieberman, Paul

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

51307, B24D 302

Patent

active

045251797

ABSTRACT:
The high pressure/high temperature (HP/HT) process for making diamond or CBN compacts has been modified by placing partitions within the crystal mass before HP/HT processing. With reference to FIG. 3, within the shield metal sleeve 11 and shield metal cup 14 are placed pliable metal shapes 20 in a honeycomb pattern. The abrasive crystals within the tubes 18 and outside the tubes 26 is sintered, and a compact containing the tubes embedded therein results. This compact can be acid leached to give a plurality of small compacts which need little if any additional shaping. The partitions can also be left intact as chip arresters.

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