| Synthesis, Densification and Characterization
of Boron Carbide |
J. K. Sonber*, T. S. R. Ch. Murthy, C. Subramanian, R. K. Fotedar, R. C. Hubli and A. K. Suri
pages 100-107
DOI:10.1080/0371750X.2013.817755
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| Abstract |
| This paper presents the experimental results on synthesis of boron carbide from its elements. Boron to carbon
ratio of 4:1 and a synthesis temperature of 1850oC was found optimum to obtain stoichiometric B4C. Higher boron
in charge resulted in the formation of boron rich phase B8C along with B4C but was not effective in eliminating free
carbon in the product. Effect of hot pressing parameters on densification of boron carbide was investigated and
the optimum operating parameters to obtain B4C pellets with a density of95% TD were identified. Mechanical and
thermal properties were characterized and compared with literature values. |
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