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Mechanochemical reactions in the system FeTiO3-Si

Version 2 2024-06-03, 13:32
Version 1 2017-05-16, 16:03
journal contribution
posted on 1998-12-01, 00:00 authored by Ying (Ian) ChenYing (Ian) Chen, J S Williams
Mechanochemical reactions in the system FeTiO 3 -Si have been investigated as functions of the powder composition and milling conditions, using x-ray diffraction and thermal analyses. Reduction reactions of FeTiO 3 by Si were observed during room-temperature milling with the formation of α-Fe, amorphous SiO x , nanocrystalline TiO 2 , 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.

History

Journal

Journal of materials research

Volume

13

Issue

12

Pagination

3499 - 3503

Publisher

Cambridge University Press

Location

Cambridge, Eng.

ISSN

0884-2914

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

1998, Materials Research Society