Examinando por Autor "García García, Oscar Javier"
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- ÍtemAnálisis de corrosión en el acero 440c inoxidable con diésel y biodiesel.García García, Oscar Javier; Carvajal Castiblanco, Diego Alejandro; Hincapié Campos, Williams Steve.Due to the application of new energy sources in the world thanks to the constant advances in technology and needs of the planet, the use of Biodiesel has emerged as an important alternative in the replacement of fossil fuel in diesel engines as it becomes a component With great advantages for both the equipment and the environment. In this thesis, a study was carried out with one of the valves of a vehicle of the reference commercial brand --2M that is fueled by diesel fuel, (this type of engine was chosen due to the great impact that these buses contract on the system integrated transport in Bogotá "Sitp-Transmilenio"), in order to know the corrosion that occurs in the engine components that have the same characteristics of the chemical components, we conducted a study of corrosion in them with diesel fuels and Grade 12 biodiesel, identifying which of the two is more susceptible to corrosion, thus leading to demonstrate that biodiesel being biodegradable tends to have less corrosion effects on said material of which These valves are included referring to the increase of the useful life of the same and the components of the motor that it has in the same chemical elements. For the search of these results, two different tests are projected to demonstrate the involvement of the material of these valves with the chosen fuels. The behavior of this material with Diesel or Biodiesel was evaluated to establish the comparison of the actions of each one. Immersion tests at room temperature and TAFEL corrosion tests were performed. In the immersion tests, the material was exposed for 30 days or 720 hours, periodically recording its weight with a precision balance with a resolution of 0.00001 g. In addition to this.