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Morphology influence of the oxidation kinetics of carbon nanofibers
Linköping University, Department of Physics, Chemistry and Biology, Nanostructured Materials. Linköping University, The Institute of Technology.
Tecnun University Navarra.
Fdn IMDEA Mat.
Tecnun University Navarra.
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2009 (English)In: CORROSION SCIENCE, ISSN 0010-938X, Vol. 51, no 4, 926-930 p.Article in journal (Refereed) Published
Abstract [en]

This paper reports the stability and oxidation rate of five types of carbon nanofiber (CNF) with distinctly different orientation of their graphite sheets based on conversion to CO2 when heated in the presence of oxygen. A non-isothermal technique was used to determine the oxidation kinetic parameters including the activation energy (E-a) Graphite shows a similar activation energy (E-a = 158 kJ/mol(-1)) to CNF with longitudinal alignment (E-a = 156kJ/mol(-1)). CNF type herringbone (E-a = 126kJ/mol(-1)) and platelet (E-a = 145 kJ/mol(-1)) show the lowest oxidation resistance which improved dramatically after a heat treatment at 3023 K of the herringbone (E-a = 216 kJ/mol(-1)) and platelet (E-a = 174 kJ/mol(-1)) structures.

Place, publisher, year, edition, pages
2009. Vol. 51, no 4, 926-930 p.
Keyword [en]
Weight loss, Oxidation, Kinetics parameters
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-18156DOI: 10.1016/j.corsci.2009.01.029OAI: oai:DiVA.org:liu-18156DiVA: diva2:216494
Available from: 2009-05-09 Created: 2009-05-08 Last updated: 2013-10-31Bibliographically approved

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Cordoba Gallego, Jose ManuelOdén, Magnus

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