The growth of oxide platelets on nickel in pure oxygen. I. Morphology and oxidation kinetics |
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| Authors: | F. Morin L. C. Dufour G. Trudel |
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| Affiliation: | (1) Institut de Recherche d'Hydro-Québec, C.P. 1000 Varennes, Québec, Canada;(2) Réactivité des Solides, URA 23 CNRS, Université de Bougogne, B.P. 138, 21004 Dijon Cedex, France |
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| Abstract: | A very specific oxide morphology consisting in rounded oxide platelets a few microns in diameter has been obtained on pure nickel. The main experimental factors in the achievement of such a controlled morphology have been thoroughly investigated. Platelets are produced in the temperature range from 600 to 850°C and for oxidation times varying from a hundred hours to a very few minutes. Platelets could not be grown on very pure nickel. Scanning electron microscopy has been used extensively, and the corresponding observations are reported in the first part of this study together with thermogravimetric results. |
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| Keywords: | oxide morphology platelets oxidation kinetics water vapor carbon |
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