Design and Preparation of Al2O3/TiC/CaF2 Self-Lubricating Ceramic Tool

Tong Kun Cao; Chun Sheng Shan; Jun Peng Ge

doi:10.4028/www.scientific.net/KEM.561.585

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 561Design and Preparation of Al2O3/TiC/CaF2...

Design and Preparation of Al₂O₃/TiC/CaF₂ Self-Lubricating Ceramic Tool

Abstract:

For friction design, the antifriction model of self-lubricating tool was built. Al₂O₃/TiC/CaF₂ was prepared, and the chemical compatibility of Al₂O₃/TiC/CaF₂ was analyzed and calculated and the results were verified by X-ray diffraction patterns. The microstructure design of self-lubricating tool material was discussed. The results show that it can reduce the friction coefficient if solid lubricating film can be produced on the friction interface, even the lubricating film can't completely be formed on the friction interface. Under high temperature, there were no reactions in Al₂O₃/TiC/CaF₂. To form continuous net structure of matrix and reduce the friction, the solid lubricants content should be moderate. According to analysis of the particle packing ways, the radius ratio between solid lubricant particles and ceramic matrix particles was confirmed and it should be within the scope of 0.225 r / R 0.414.

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Periodical:

Key Engineering Materials (Volume 561)

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585-590

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.561.585

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Online since:

July 2013

Authors:

Tong Kun Cao, Chun Sheng Shan, Jun Peng Ge

Keywords:

Chemical Compatibility, Friction Design, Self-Lubricating Ceramic Tool, Structure Design

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