Effect of B4C on the Mechanical Properties and Microstructure of ZrB2-SiC Based Ceramics

Xuan Liu; Qiang Xu; Shi Zhen Zhu

doi:10.4028/www.scientific.net/AMR.105-106.218

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 105-106Effect of B4C on the Mechanical Properties and...

Effect of B₄C on the Mechanical Properties and Microstructure of ZrB₂-SiC Based Ceramics

Abstract:

ZrB2-SiC-B4C is sintered at 1700°C by spark plasma sintering process. The effect of B4C content on the mechanical properties and microstructure of ZrB2-SiC based ceramics is studied. The results show that, with the content of B4C increases, the relative density and room-temperature strength decrease in the ZrB2-SiC-B4C composite. The fracture toughness rises at first and then falls down. The high temperature strength increases.

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Advanced Materials Research (Volumes 105-106)

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218-221

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https://doi.org/10.4028/www.scientific.net/AMR.105-106.218

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April 2010

Authors:

Xuan Liu, Qiang Xu, Shi Zhen Zhu

Keywords:

B₄C, High Temperature Strength, Mechanical Property, Microstructure, ZrB₂-SiC

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