ダイヤモンド工具の研削切断性能におよぼすマトリックスの機械的性質について

概要

論文の詳細を見る
There are thought to be two mechanisms by which the diamond is retained in the cutting wheel. The first is a physical factor based upon the youngs modulus of the matrix, while the second is a chemical factor due to a reaction between the matrix and the diamond surface. However, it is not clear how is relationship between the retainability and cutting ability of the diamond.<BR>In this study, the chemical factor was assumed to be constant by virtue of keeping the sintering temperature constant. Samples which had different mechanical properties were observed using a SEM and an EPMA, and were investigated by means of a bending test, and an actual cutting test.<BR>As a result, it has been shown that the mechanical holding force of the matrix changed with the youngs modulus, and the ratio of diamond pull-out, after the cutting test, is related to this physical factor.
社団法人粉体粉末冶金協会の論文