Examinando por Autor "Correa, Luis Hernando"
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Ítem Efecto sobre la microestructura y la dureza del acero Böhler W302 sometido a los tratamientos de temple y tres revenidosBernal Moreno, Cristian Sebastián; Correa, Luis HernandoThe following document demonstrates by means of a study the microstructure of BÖHLER W302 steel when subjected to metallographic processes such as tempering and tempering, thus determining the main constituents and differentiating them in each process. In the same way find the variation of the mechanical properties in each stage.Ítem Prueba Metalografíca en Uniones Soldadas con Presencia de Corrosión en Acero Estructural: Caso de Estudio BicicletaGarcia Martinez, Brayan Camilo; Tequia Rojas, Brandon Steven; Correa, Luis HernandoIn this Project, a test tuve of structural Steel from a bicycle frame was analyzed to study the behavior that causes corrosion in this type of material, which is welded by electric arc (electrode E6013) then, nondestructive was made such as analysis in the optical microscope and electron microscope; an scan was executed at different áreas of the specimen by taking pictures of various approaches to analyze its metallographic structure and types of corrosion. Also, a microhardness test was realized for a complete microstructural analysis of the material and identify the properties considering the environment that was used. Finally, a comparison of direct and indirect costs that can produce this attack on the element study was executed.