in this study, the corrosion resistance of a bituminous coating reinforced with different ratios ofnanoclay pigment was studied. to make nanocomposite coatings, 2, 3, and 4 wt.% of clay (cloisitena+) were incorporated into water emulsified bitumen. the coatings were applied to steel 37. opticalmicroscopy and x-ray diffraction (xrd) were used to characterize the nanocomposite structure. inorder ...

Time-of-flight secondary ion mass spectrometry and X-ray photoelectron spectroscopy were used to study the influence of ageing 2024 aluminium alloy at 190 °C on subsequent degreasing deoxidation behaviour. After aged alloy, an increase in surface Cu coverage a roughening observed as compared non-aged alloy. The enrichment affected growth mechanisms trivalent chromium process (TCP) coating. TCP ...

The corrosion protection of mild steel by a newly developed epoxy-based coating system containing inherently conducting nanopolyaniline-clay as a nanoadditive has been studied. Polyaniline-clay anticorrosion nanoadditive (PCNA) was obtained by the direct mixing method of nanopolyaniline (0.03 wt.%) and organo-modified clay (3 wt.%) at atmospheric pressure, and XRD technique was used to study d-...

A layered double hydroxide (LDH) film was formed in situ on aluminum alloy 2024 through a urea hydrolysis method, and a decavanadate-intercalated LDH (LDH-V) film fabricated through the dip coating method. The microstructural and morphological characteristics were investigated by scanning electron microscopy (SEM). The corrosion-resistant performance was analyzed by electrochemical impedance sp...

A new solution of a smart microcontroller sensor based on a simple direct sensor-microcontroller interface for technical objects modeled by two-terminal networks and by the Beaunier’s model of anticorrosion coating is proposed. The tested object is stimulated by a square pulse and its time voltage response is sampled four times by the internal ADC of microcontroller. A neural classifier based o...

The computer simulations are powerful tools to understand and determine properties and behaviour for a broad range of materials and diverse applications, going to different time and length scales. In the applied computational chemistry group at IFAM the computer simulations have been successfully applied to support the experiments and develop coatings with improved functionalities. The computat...

Abstract In order to improve the anticorrosion protection properties, polypyrrole thin films were deposited on silicon steel plates. The anticorrosive effect of polypriol coating was evaluated by electrochemical measurements in two different aqueous solutions potassium chloride and hydrochloric acid. Polypyrrole-coated plates immersed for one seven days, respectively. obtained results show that...