Prediction of Tool Wear in Pre-Sintered Ceramic Body Micro-Milling

Hong Lin Cheng; Jian Zhong Li; Shuang Hu Xu; Zu Yuan Yu

doi:10.4028/www.scientific.net/MSF.893.89

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HomeMaterials Science ForumMaterials Science Forum Vol. 893Prediction of Tool Wear in Pre-Sintered Ceramic...

Prediction of Tool Wear in Pre-Sintered Ceramic Body Micro-Milling

Abstract:

Ceramic material is widely used industrial products due to excellent physical and mechanical properties, which in turn post challenge to shape ceramic material into desired shape and accuracy. A feasible method is to process ceramic material in its pre-sintered state. However, the interior of pre-sintered ceramic body contains a lot of high hardness particles which causes serious tool wear, especially in the three-dimensional micro-milling. In this paper, a theoretical model of calculating tool average volume wear rate is proposed based on abrasive wear mechanism and fatigue wear mechanism in alumina ceramic micro-milling. Experiments under various processing parameters are carried out to verify this model. The results indicate that theoretical values of the tool wear rates agree with experimental results. Most of the deviations are within 10%.

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Periodical:

Materials Science Forum (Volume 893)

Pages:

89-94

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.893.89

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Online since:

March 2017

Authors:

Hong Lin Cheng*, Jian Zhong Li, Shuang Hu Xu, Zu Yuan Yu

Keywords:

Micro-Milling, Model, Pre-Sintered Ceramic Body, Tool Wear

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