COMPOSITION OF A SEGMENT CONNECTION OF DIAMOND TOOLS AND A METHOD FOR ITS PREPARATION

摘要

The connection has a composition including, in %: chromiumfrom 2 to 20, boron 1-4, silicon from 2-5, carbon 0.1-0.5, ironfrom 0.5 to 5, bronze containing 10% tin, from 20 to 80 and nickelfrom 20 to 60. The segments are made by hot pressing at 700-800°Cand pressure from 150 to 300 kg/cm2 or by previous cold pressingfollowing hot pressing under the above conditions.2 claims