音波の伝播モデルによる超砥粒ホイールの弾性係数の導出に関する研究(第2報) : 有気孔砥石の弾性係数の近似式

概要

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This paper describes the approximate equation on elastion modulus of bridge type grinding stones. This equation is deduced from the acoustic model based on the propagation of the elastic wave on condition that grains and bond bridges in the grinding stone have sufficiently adhered. The elastic modulus measured by ultrasonic pulse method is compared with the calculation from this approximation in order to confirm the accuracy of the approximation. As a result, it is confirmed that the measured elastic modulus is a bit lower than the calculated one, and the both qualitative tendencies agree well with each other. As the elastic modulus calculated by this equation at pore ratio of O% agrees well with the approximation of the matrix type grinding stones shown in the first report, the approximate equation can be applied to elastic modulus not only of bridge type but also of the matrix type grinding stones.
公益社団法人精密工学会の論文
2000-11-05