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Mechanochemical Reactions in the System FETiO3-Si

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Date

1999

Authors

Chen, Ying
Williams, James

Journal Title

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Volume Title

Publisher

Materials Research Society

Abstract

Mechanochemical reactions in the system FeTiO3-Si have been investigated as functions of the powder composition and milling conditions, using x-ray diffraction and thermal analyses. Reduction reactions of FeTiO3 by Si were observed during room-temperature milling with the formation of α-Fe, amorphous SiOx, nanocrystalline TiO2, or intermetallic compounds, depending on the Si content. The mechanochemical reaction process consists of a mechanical activation stage and a reaction stage. Higher milling intensity leads to a shorter activation step and a higher reaction rate.

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Citation

URI

http://hdl.handle.net/1885/93665

Collections

ANU Research Publications

Source

Journal of Materials Research

Type

Journal article

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