| 摘要 |
A resin bond grinding element is composed of a resin bond matrix containing superabrasive particles. The superabrasive particles are an at least 1:1 volume mixture of tough and weak particles, wherein there is at least about 10% difference in toughness between the tough particles and the weak particles. The corresponding method involves grinding a workpiece with a resin bond grinding element composed of a resin bond matrix containing an at least 1:1 volume mixture of tough and weak superabrasive particles, wherein there is at least about 10% difference in toughness between the tough particles and the weak particles. The mixture of tough and weak superabrasive particles also can be used in metal bond and vitreous bond grinding elements.
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