Construction of grinding model of a compound stone containing mechanochemical abrasive and hard superabrasive

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There are two types of abrasive for surface finishing, namely, mechanochemical (MC) abrasive like cerium oxide and barium sulfate and hard superabrasive like cBN and diamond; the former remove a material chemically and the latter remove it mechanicaly. Generally, a abrasive stone has been made with only hard abrasive. However, in our study, we have developed a new compound stone containing mechanochemical abrasive and hard superabrasive. The performance of the compound stone was evaluated through the superfinishing of steels and the advantage of reducing both the hardened layer depth and the compressive residual stress in the finished surface is made clear :