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The Study on Ductile Removal Mechanisms of Ultrasonic Vibration Grinding Nano-ZrO2 Ceramics

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Abstract:

On the basis of analyzing the brittleness, ductileity, and the removal mechanisms of the^nano-ZrO2 Ceramics, the critical ductile grinding depth formula of the nano-ceramics was established. Due to superductileity of the nano-ZrO2 ceramics, it couldn’t apply the formula of the common engineering ceramic material according to experimental results. The value of material coefficient ζ has relations with not only the material characteristics but also the processing methods and the processing parameters. It was proved that ζ has great effects on the accuracy of theoretical calculation. Experimental results showed that the critical ductility grinding depth of the nano-ZrO2 ceramics is up to 12 µm in common grinding methods, while in ultrasonic grinding is up to 20µm. The grinding chips with and without ultrasonic vibration assistance were discussed.

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Periodical:

Key Engineering Materials (Volumes 304-305)

Pages:

171-175

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.304-305.171

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Online since:

February 2006

Authors:

Bo Zhao, Yan Wu, C.S. Liu, A.H. Gao, Xun Sheng Zhu

Keywords:

Critical Ductile Cutting Depth, Ductile Grinding, Nanoceramic, Ultrasonic Vibration

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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