Fredy fabian Parada Becerra

Fredy fabian Parada Becerra
Industrial University of Santander | UIS · Department of Basic Sciences

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8
Publications
853
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17
Citations
Citations since 2016
7 Research Items
17 Citations
201620172018201920202021202202468
201620172018201920202021202202468
201620172018201920202021202202468
201620172018201920202021202202468

Publications

Publications (8)
Article
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The surface modification of silicon sheets with titanium and titanium+nitrogen is presented by means of a hybrid high voltage pulsed discharge and electric arc in a vacuum. The spectral diagnostic shows an approximate value of the temperature of the titanium cathode in the hybrid discharges of 7127 ± 200 K and in the arc discharges of 8888 ± 767 K....
Article
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The glow discharge is the basis of conventional techniques used to improve the tribological properties of materials, such as the generation of thin films using ionic beams and the sputtering process for the treatment of surfaces. This work focuses on the numerical study of the glow discharge in a system composed of a cylindrical quartz chamber cont...
Article
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Titanium and its alloys are currently the main materials for prosthetics, despite the fact that they, like other metals, have significant drawbacks: they cause metallosis, can provoke the formation of fibrous tissues and bone resorption in the contact zone, are toxic and, in some cases, allergenically dangerous. The noveday trend in implant technol...
Article
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In the industry of hard coatings, the vacuum arc evaporator is one of the commonly used devices due to its high productivity, reliability and ability to operate in a non-gaseous medium. Apart from this, the imposition of an external magnetic field allows to control the localization of the arc spots both on the simple and sectioned (i.e. made from d...
Article
Full-text available
Objective: In this present research work the behaviour of temperature of the substrate manufactured in AISI H13 steel, in the range of and , during of surface deposition of titanium nitride (TiN) thin films by the technique of cathodic arc in vacuum. Results: The physical properties of the TiN films were obtained and analysed by the techniques of m...
Article
Full-text available
Recibido 30.03.10; Aceptado 20.06.11; Publicado en línea 04.09.11. Resumen Se estudia un vaporizador de arco con el cátodo de titanio que es destinado para desarrollar una tecnología de películas protectoras de metales. Se muestra que a pesar de que el vaporizador se alimenta por un voltaje constante la descarga de arco se enciende en un régimen de...

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