The Effect of Al2O3 as a Sintering Aid on the Densification of B4C by Spark Plasma Sintering

Quan Zhen Jiang; Yun Kai Li; Chuan Sun; Yun Fei Wang; Ming Ming Wan; Ling Bo Zhu

doi:10.4028/www.scientific.net/AMR.538-541.1101

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 538-541The Effect of Al2O3 as a Sintering Aid on the...

The Effect of Al₂O₃ as a Sintering Aid on the Densification of B₄C by Spark Plasma Sintering

Abstract:

The effect of the Al₂O₃ additive on the densification behavior, microstructure and mechanical properties of the B₄C–xwt%Al₂O₃ composites sintered by means of spark plasma sintering (SPS) process were investigated. It was found that addition of Al₂O₃ improve the sinterability of B4C at temperatures between 1700 and 1800°C remarkably. The composite samples which with an addition of 4 wt% Al₂O₃ and sintering at 1750°C exhibits excellent mechanical properties (relative density: 98.82%, hardness: 90.6 HRA).

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Advanced Materials Research (Volumes 538-541)

Pages:

1101-1105

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.538-541.1101

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Online since:

June 2012

Authors:

Quan Zhen Jiang, Yun Kai Li, Chuan Sun, Yun Fei Wang, Ming Ming Wan, Ling Bo Zhu

Keywords:

Alumina, Boron Carbide, Densification Behavior, Mechanical Property, Spark Plasma Sintering (SPS)

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