Microstructure and Mechanical Properties of Ti(C,N)-TiB2-WC Composite Ceramic Tool Materials

Yue Liu; Chuan Zhen Huang; Han Lian Liu; Bin Zou; Qiang Shi

doi:10.4028/www.scientific.net/AMR.500.673

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 500Microstructure and Mechanical Properties of...

Microstructure and Mechanical Properties of Ti(C,N)-TiB₂-WC Composite Ceramic Tool Materials

Abstract:

Ti (C,N)-TiB₂-WC composite ceramic tool materials with sintering aids such as Ni and Mo were fabricated at a temperature of 1550 °C for 1h sintering duration time in vacuum by a hot-press technique. The microstructure and mechanical properties were investigated. The composite ceramic tool materials were analyzed by means of scanning electron microscope (SEM), X-ray diffraction (XRD) and energy dispersive spectrometry (EDS). The main phases were composed of Ti (C, N), TiB_2, WC and MoC, which indicated that no severe chemical reactions occurred in the composite. The flexural strength, fracture toughness and hardness of Ti (C,N)- 20 wt.%TiB₂-WC ceramic material were 795.7 MPa, 6.4 MPa·m^1/2 and 19.2 GPa respectively.

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Periodical:

Advanced Materials Research (Volume 500)

Pages:

673-678

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.500.673

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Online since:

April 2012

Authors:

Yue Liu, Chuan Zhen Huang, Han Lian Liu, Bin Zou, Qiang Shi

Keywords:

Mechanical Property, Microstructure, Ti(C,N)-TiB₂-WC Ceramic

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