A5014895719- Corrosion Behavior and Inhibition
- Magnesium Alloys: Properties and Applications
- Photographic and Visual Arts
- Concrete Corrosion and Durability
- Hydrogen embrittlement and corrosion behaviors in metals
- Hydrogen Storage and Materials
- Advertising and Communication Studies
- Concrete and Cement Materials Research
- Architecture, Art, Education
- Cinema History and Criticism
- Literary and Cultural Studies
- Cultural and Social Studies in Latin America
- Comparative Literary Analysis and Criticism
- Literature, Culture, and Aesthetics
- Aluminum Alloy Microstructure Properties
- Cultural Heritage Materials Analysis
- Microstructure and Mechanical Properties of Steels
- Aluminum Alloys Composites Properties
- Magnesium Oxide Properties and Applications
- Extractivism and Socioeconomic Issues
- Political Theory and Democracy
- Political Dynamics in Latin America
- Metal and Thin Film Mechanics
- Journalism and Media Studies
- Material Properties and Applications
Cenim - Centro Nacional de Investigaciones Metalurgicas
2009-2024
University of Tolima
2018-2023
Universidad de La Laguna
2019-2022
Consejo Superior de Investigaciones Científicas
2008-2020
Universidad Independiente
2018-2020
The Ohio State University
2015-2018
Monash University
2018
Universidad Nacional de Colombia
2008-2017
District University of Bogotá
2009-2012
Politécnico Grancolombiano
2011
There remains growing interest in magnesium (Mg) and its alloys, as they are the lightest structural metallic materials. Mg alloys have potential to enable design of lighter engineered systems, including positive implications for reduced energy consumption. Furthermore, also emerging viable biodegradable materials battery electrodes. In spite greatest historical usage at present, wider use restricted by a number inherent limitations, vulnerability corrosion, poor formability low creep...
The increase in the rate of hydrogen evolution (HE) on dissolving Mg surfaces with increasing anodic current density or potential, which is sometimes called negative difference effect, has been topic much discussion recent years. A review very contributions to this subject given paper. Increased catalytic activity corrosion product layer, either from accumulated impurities oxy-hydroxide itself, shown have a minor influence HE observed at high densities and potentials. Al exhibits similar...
The determination of corrosion rate for Mg and alloys by electrochemical methods is complicated several factors, including the intense hydrogen evolution (HE) that accompanies dissolution, so gas collection often used. In present paper a new gravimetric method collection, originally developed Curioni, evaluated as an alternative to common volumetric method. based on buoyant force exerted H2 produced dissolving when accumulated in submerged container. accuracy investigated using Pt electrode...
Despite the growing interest in Mg and its alloys, their use has been largely limited due to high reactivity aqueous environments. Improving understanding of basic principles corrosion represents first step explain and, eventually, improve behaviour alloys. Herein an original mechanistic surface kinetic DFT model that clarifies mechanism anomalous HE on anodically polarised is presented. In accordance with several experimental observations, this describes proceeding at regions dominated by...
El uso incidental y no autorizado de obras protegidas marcas registradas en producciones audiovisuales es una práctica que está resuelta legalmente. Este artículo analizará la viabilidad legal esta práctica, abordando tensiones relacionadas con los riesgos del bajo las normas Comunidad Andina experiencias internacionales. Se analizarán bases interpretativas dispuestas por el Tribunal Justicia sobre pictóricas audiovisuales, para analizar su aplicabilidad a todo tipo imágenes visuales...
Ogura cytoplasmic male sterility (CMS) occurs naturally in radish and has been introduced into rapeseed (Brassica napus) by protoplast fusion. As with all CMS systems, it involves a constitutively expressed mitochondrial gene which induces to otherwise hermaphroditic plants (so they become females) nuclear named restorer of fertility that restores pollen production carrying sterility-inducing cytoplasm. A correlative approach using light electron microscopy was applied define what stages...
The effect of laser surface melting on the corrosion resistance AZ31 Mg alloy in 0.1 M NaCl solution was investigated using different processing conditions (energy densities 14 and 17 J cm−2). Laser treatment induced rough surfaces primarily composed oxidized species Mg. XPS analysis revealed that concentration Al increased significantly as a consequence LSM. Electrochemical impedance spectroscopy showed remarkably polarization passive-like region about 100 mV, determined by potentiodynamic...
<title/>Copper is widely used in many applications such as heat exchangers, condensers, heating and air conditioning systems, electricity, electronic circuitry ornamental parts. This paper reviews the issue of copper corrosion different environments applications. Special attention paid to influence relative humidity low molecular weight carboxylic acids. These acids are present rain, snow, clouds particulate matter contribute about 15-35% rain acidity. Attention also originated by formic,...