Matrix material for bonding abrasive material, and method of manufacturing same.

摘要

This invention provides a matrix in which iron-base alloy powder and abrasive grains, such as diamond, are bonded to each other. The quantityof carbon or graphite in the bond is between 2.5 wt% and 4.5 wt% of the bond, and the diameter of the precipitated carbon or graphite grains is 5 mu m or less in the matrix.