311 ファインセラミックスの加工に関するAE信号(G.S.3-3 生産加工・工作機械I)

概要

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Recently, since the shape of fine ceramics-products become complex, the secondary machining is essential. Fine ceramics is difficult to machine precisely due to its brittle character. However some reports were discussed about grinding mechanism, there is more room to study. In this study, several grinding experiments were carried out on both SiAlON and high-strength SiAlON ceramics using a single point diamond tool in order to certify the effect of a particle size of fine ceramics that influences upon the workpiece. Acoustic emission (AE) signals that obtained on the grinding were analyzed and observed the machined surface. The result of experiment shows that when machining type move from ductile mode to ductile-brittle transitional area, power spectrum of high frequency increase. High-strength SiAlON has wider ductile mode area than SiAlON.
社団法人日本機械学会の論文
2000-06-26