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This paper reports a dynamic modeling study of solid oxide fuel cell (SOFC) stack using autoregressive with exogenous input (ARX) identification algorithm. It is well known that SOFC is a nonlinear, multi-input and multi-output system that is hard to model by traditional methodologies. By far, the most existing dynamic models are based on conservation laws which are too complicated to be used for...
Micro-arc oxidation (MAO) of AZ31B magnesium alloys was studied in alkaline silicate solutions at constant applied current densities. The microstructure, phase composition and elemental distribution of ceramic coatings were investigated using scanning electron microscopy (SEM), X-ray diffraction (XRD) and energy-dispersive spectroscopy (EDX). There are two inflections in the voltage–time response,...
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