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Fabrication and Mechanical Properties of Nano-Al2O3 Based Composite Ceramic Tool Material

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Abstract:

The Al2O3(nm)/SiC（μm）/Al2O3（μm）ceramic tool materials were fabricated by the hot-pressing technique. Effect of the compositions on microstructure and mechanical properties is investigated. With nano-particles content decreasing, the flexural strength increased and fine grains can be obtained. When the nano-alumina content is 60wt%, the grain of this sample is fine, the Vickers hardness and flexural strength are 16.24 GPa and 678 MPa, respectively.

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Periodical:

Advanced Materials Research (Volumes 335-336)

Pages:

736-739

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.335-336.736

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Online since:

September 2011

Authors:

Xing Li, Bin Fang, Xiu Guo Xu, Chong Hai Xu

Keywords:

Nano-Al2O3 Ceramic Tool Materials

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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