Formation of TIB2 from rutile by room temperature ball milling

N. J. Welham

doi:10.1016/S0892-6875(99)00107-7

Formation of TIB₂ from rutile by room temperature ball milling

N. J. Welham^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

A mixture of rutile, boron oxide and magnesium has been ball milled together with the intention of inducing a reaction to form titanium diboride. The resultant powders were examined by differential thermal analysis, isothermal annealing and X-ray diffraction to determine the effect of milling on the formation of TiB₂. Complete reaction was found to occur in the mill between 10 and 15 h forming TiB₂ and MgO with no residual Mg. The unwanted phase, MgO, was readily removed by leaching in acid leaving a fine powder composed of aggregates of TiB₂. The feasibility of using this relatively simple, low technology route to value add for minerals is also discussed.

Original language	English
Pages (from-to)	1213-1224
Number of pages	12
Journal	Minerals Engineering
Volume	12
Issue number	10
DOIs	https://doi.org/10.1016/S0892-6875(99)00107-7
Publication status	Published - Oct 1999

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AB - A mixture of rutile, boron oxide and magnesium has been ball milled together with the intention of inducing a reaction to form titanium diboride. The resultant powders were examined by differential thermal analysis, isothermal annealing and X-ray diffraction to determine the effect of milling on the formation of TiB2. Complete reaction was found to occur in the mill between 10 and 15 h forming TiB2 and MgO with no residual Mg. The unwanted phase, MgO, was readily removed by leaching in acid leaving a fine powder composed of aggregates of TiB2. The feasibility of using this relatively simple, low technology route to value add for minerals is also discussed.

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Formation of TIB₂ from rutile by room temperature ball milling

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