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Cutting Performance and Wear Mechanism of Si3N4-Based Nanocomposite Ceramic Tool

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Abstract:

Si3N4/TiN nanocomposite tool and Si3N4/Ti(C7N3) nanocomposite tool were prepared. The cutting performance and wear mechanism of Si3N4-based nanocomposite ceramic tool was investigated by comparison with a commercial sialon ceramic tool in machining of 45 steel. Si3N4-based nanocomposite ceramic tool exhibits the better wear resistance than sialon at the relatively high cutting speed. The increased cutting performance of Si3N4-based nanocomposite ceramic tool is ascribed to the higher mechanical properties. Nano-particles can refine the matrix grains and improve the bonding strength among the matrix grains of Si3N4-based nanocomposite ceramic tool materials. It contributes to an improved wear resistance of the cutting tools during machining.

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Info:

Periodical:

Key Engineering Materials (Volume 443)

Pages:

324-329

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.443.324

Citation:

Cite this paper

Online since:

June 2010

Authors:

Bin Zou, Chuan Zhen Huang, Han Lian Liu, Jin Peng Song

Keywords:

Cutting Performance, Nanocomposite, Silicon Nitride, Tool, Wear Mechanism

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