Estudio de la microestructura y resistencia a la corrosion de la aleación con memoria de forma cu-al-ni-y elaborada por fundición

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dc.contributor.advisorGonzález Hernández, Andrés Giovanni
dc.contributor.authorArias Navarro, Sergio Esteban
dc.contributor.authorGonzalez Muñoz, Mario Alejandro
dc.date.accessioned2023-04-06T12:53:44Z
dc.date.available2023
dc.date.available2023-04-06T12:53:44Z
dc.date.created2019
dc.date.issued2019
dc.description.abstractLas aleaciones con memoria de forma o SMA “Shape Memory Alloys” son aquellas que tienen la capacidad de sufrir una deformación pseudoplástica y regresar a su forma inicial una vez son expuestas a variaciones de temperatura. En el presente trabajo, se realizó el estudio de la adición de Itrio como cuarto elemento en la aleación con memoria de forma Cu-Al-Ni fabricada mediante un proceso de fundición en un horno de inducción, para ello se elaboraron cuatro probetas con diferentes porcentajes de Itrio que fueron sometidas a un análisis microestructural mediante microscopia óptica y microscopia electrónica de barrido con el fin de conocer el efecto del itrio en la microestructura y tamaño de grano de las aleaciones. Adicionalmente se llevó a cabo un ensayo de dureza y una espectroscopia de impedancia electroquímica electroquímica en una solución de NaCl al 3,5% en peso para determinar la resistencia a la corrosión de las aleaciones. Los resultados obtenidos en las pruebas realizadas a las aleaciones evidencian que el aumento en la cantidad de Itrio en la aleación Al-Cu-Ni, proporciona un refinamiento en el grano de la microestructura y un aumento en la dureza. En el análisis de la resistencia a la corrosión de las aleaciones Cu-Al-Ni-Y se determinó que la muestra con mayor resistencia a la transferencia de carga fue la aleación con 1% de Itrio.
dc.description.abstractenglishThe shape memory alloys are those that have the ability to undergo pseudoplastic deformation and return to their initial shape once exposed to temperature variations. In the present work, the study of the addition of Itrium as a fourth element in the Cu-Al-Ni memory alloy manufactured by means of a melting process in an induction furnace was carried out, for this purpose four specimens with different percentages were made of the Itrium that were subjected to a microstructural analysis by means of optical microscopy and scanning electron microscopy in order to know the effect of yttrium on the microstructure and grain size of the alloys. Additionally, a hardness test and electrochemical electrochemical impedance spectroscopy were carried out in a 3.5% NaCl solution by weight to determine the corrosion resistance of the alloys. The results obtained in the tests carried out on the alloys show that the increase in the amount of Itrium in the Al-Cu-Ni alloy provides a refinement in the microstructure grain and an increase in hardness. In the analysis of the corrosion resistance of Cu-Al-Ni-Y alloys, it was possible to determine that the sample with the highest resistance to load transfer was the alloy with 1% in Itrium content.
dc.description.degreelevelPregrado
dc.description.degreenameIngeniero Metalúrgico
dc.format.mimetypeapplication/pdf
dc.identifier.instnameUniversidad Industrial de Santander
dc.identifier.reponameUniversidad Industrial de Santander
dc.identifier.repourlhttps://noesis.uis.edu.co
dc.identifier.urihttps://noesis.uis.edu.co/handle/20.500.14071/13692
dc.language.isospa
dc.publisherUniversidad Industrial de Santander
dc.publisher.facultyFacultad de Ingenierías Fisicoquímicas
dc.publisher.programIngeniería Metalúrgica
dc.publisher.schoolEscuela de Ingeniería Metalúrgica y Ciencia de Materiales
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.rights.coarhttp://purl.org/coar/access_right/c_abf2
dc.rights.creativecommonsAtribución-NoComercial-SinDerivadas 4.0 Internacional (CC BY-NC-ND 4.0)
dc.rights.licenseAttribution-NonCommercial 4.0 International (CC BY-NC 4.0)
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectCorrosión
dc.subjectHorno De Inducción
dc.subjectItrio
dc.subjectMartensita
dc.subjectMemoria De Forma
dc.subjectTamaño De Grano.
dc.subject.keywordCorrosion
dc.subject.keywordInduction Furnace
dc.subject.keywordItrium
dc.subject.keywordMartensite
dc.subject.keywordShape Memory Alloys
dc.subject.keywordGrain Size. Descriction: The Shape Memory Alloys Are Those That Have The Ability To Undergo Pseudoplastic Deformation And Return To Their Initial Shape Once Exposed To Temperature Variations. In The Present Work
dc.subject.keywordThe Study Of The Addition Of Itrium As A Fourth Element In The Cu-Al-Ni Memory Alloy Manufactured By Means Of A Melting Process In An Induction Furnace Was Carried Out
dc.subject.keywordFor This Purpose Four Specimens With Different Percentages Were Made Of The Itrium That Were Subjected To A Microstructural Analysis By Means Of Optical Microscopy And Scanning Electron Microscopy In Order To Know The Effect Of Yttrium On The Microstructure And Grain Size Of The Alloys. Additionally
dc.subject.keywordA Hardness Test And Electrochemical Electrochemical Impedance Spectroscopy Were Carried Out In A 3.5% Nacl Solution By Weight To Determine The Corrosion Resistance Of The Alloys. The Results Obtained In The Tests Carried Out On The Alloys Show That The Increase In The Amount Of Itrium In The Al-Cu-Ni Alloy Provides A Refinement In The Microstructure Grain And An Increase In Hardness. In The Analysis Of The Corrosion Resistance Of Cu-Al-Ni-Y Alloys
dc.subject.keywordIt Was Possible To Determine That The Sample With The Highest Resistance To Load Transfer Was The Alloy With 1% In
dc.titleEstudio de la microestructura y resistencia a la corrosion de la aleación con memoria de forma cu-al-ni-y elaborada por fundición
dc.title.englishStudy of microstructure and corrosion resistance of shape memory alloy cu-al-ni-y made by casting*
dc.type.coarhttp://purl.org/coar/version/c_b1a7d7d4d402bcce
dc.type.hasversionhttp://purl.org/coar/resource_type/c_7a1f
dc.type.localTesis/Trabajo de grado - Monografía - Pregrado
dspace.entity.type
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