Journal
MATERIALS LETTERS
Volume 62, Issue 24, Pages 4047-4049Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2008.06.002
Keywords
nanomaterials; nanostructured materials; mechanochemical processing; zinc oxide; reactive ball milling
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Ball milling of zinc powders in oxygen atmosphere leads to nanocrystalline ZnO. The average grain size has a value of 9 nm. The zinc oxidation proceeds gradually. It is compared with the combustion oxidation reactions of metals (Zr, Ti, Fe and Sn) reported previously. We propose a new parameter Delta H/C-p(metal) instead of simplified adiabatic temperature to judge if the mechanochemical oxidation of a particular metal happens via gradual or combustion reaction. Crown Copyright (C) 2008 Published by Elsevier B.V. All rights reserved.
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