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Artículo
Characterization of mechanosynthesized Bi1−xSmxFeO3 samples unencumbered by secondary phases or compositional inhomogeneity
(Elsevier, 2017)
High-quality samples, in terms of phase purity and dielectric properties, of composition Bi1−xSmxFeO3 (0.05 ≤ x ≤ 0.20) have for the first time been prepared by mechanosynthesis. Close inspection of the powder diffraction ...
Artículo
Pyrolysis kinetics of ethylene-propylene (EPM) and ethylene-propylene-diene (EPDM)
(Elsevier, 2013)
The thermal degradation kinetics of several ethylene-propylene copolymers (EPM) and ethylene-propylene-diene terpolymers (EPDM), with different chemical compositions, have been studied by means of the combined kinetic ...
Artículo
New insights on the kinetic analysis of isothermal data: The independence of the activation energy from the assumed kinetic model
(American Chemical Society, 2015)
Isothermal experiments are widely employed to study the kinetics of solid-state reactions or processes to extract essential kinetic information needed for modeling the processes at an industrial scale. The kinetic analysis ...
Artículo
Magnesium hydride for energy storage applications: The kinetics of dehydrogenation under different working conditions
(Elsevier, 2016)
A new approach to the kinetics of magnesium hydride dehydrogenation is considered. A model able to predict the dehydrogenation under different experimental conditions has been proposed. A new combined kinetic analysis ...
Artículo
Scission kinetic model for the prediction of polymer pyrolysis curves from chain structure
(Elsevier, 2014)
There is a significant interest in correlating polymer structure with thermal degradation behavior. Thus, polymer pyrolysis curves could be predicted from the chemical structure of the polymer. Recent proposals correlate ...
Artículo
Limitations of model-fitting methods for kinetic analysis: Polystyrene thermal degradation
(Elsevier, 2013)
In this paper, some clarifications regarding the use of model-fitting methods of kinetic analysis are provided in response to the lack of plot linearity and dispersion in the activation energy values for the thermal ...
Artículo
Direct mechanosynthesis of pure BiFeO3 perovskite nanoparticles: reaction mechanism
(Royal Society of Chemistry (Great Britain), 2013)
In this work, a mechanochemical procedure is proposed as a simple and fast method to synthesize the pure BiFeO3 perovskite phase as a nanostructured material without the need for purification treatments, while the ...
Artículo
Constant rate thermal analysis for thermal stability studies of polymers
(Elsevier, 2011)
This paper explores the relationship between the shapes of temperature-time curves obtained from experimental data recorded by means of constant rate thermal analysis (CRTA) and the kinetic model followed by the thermal ...
Artículo
Constant rate thermal analysis of a dehydrogenation reaction
(Royal Society of Chemistry, 2016)
The Constant Rate Thermal Analysis (CRTA) procedure has been employed for the first time to study the kinetics of MgH2 dehydrogenation by thermogravimetry under high vacuum. CRTA implies controlling the temperature in such ...
Artículo
A Promising approach to the kinetics of crystallization processes: The sample controlled thermal analysis
(American Ceramic Society, 2017)
Constant Rate Thermal Analysis (CRTA) method implies controlling the temperature in such a way that the reaction rate is maintained constant all over the process. This method allows determining simultaneously both the ...