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Non-parametric kinetic analysis of the oxidation of TiN and TiC nanoparticles



The non-parametric kinetics (NPK) method was developed for simulation purposes by applying macroscopic kinetics to complex reactions and transformations. This is able to describe a reaction and provide information about its temperature function, such as Arrhenius equation, and the type of reaction involved. To determine whether the method is applicable to reactions involving nanoscale materials, the NPK method is applied to study the oxidation of titanium nitride and carbide and the results are compared with those already obtained. NPK reproduces both reactions without any problems. It provides consistent results in the case of nitride, but in the case of carbide it suggests that more transformations are involved in the reaction, most likely including diffusional control of the reaction. © 2011 Wiley Periodicals, Inc. Int J Chem Kinet 44: 147–154, 2012

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