Efecto del tiempo de envejecido en la estructura cristalina y las propiedades mecánicas del aluminio 6061
In this project, an analysis of the effect of aging time on the crystalline structure and mechanical properties of aluminum alloy 6061 was carried out. Aging is one of the 3 stages which is part a set of more complex heat treatments known as age hardening. The sequence used in this work was: First,...
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| author | Bonilla Canizales, Andrés Felipe Gordillo Medina, Lainer Fresned |
| author2 | Jiménez Forero, Hernando Augusto |
| author_facet | Jiménez Forero, Hernando Augusto Bonilla Canizales, Andrés Felipe Gordillo Medina, Lainer Fresned |
| author_sort | Bonilla Canizales, Andrés Felipe |
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| description | In this project, an analysis of the effect of aging time on the crystalline structure and
mechanical properties of aluminum alloy 6061 was carried out. Aging is one of the 3 stages
which is part a set of more complex heat treatments known as age hardening. The
sequence used in this work was: First, the temperature was raised to obtain a
homogeneous phase on the sample at a temperature of 530 ºC for 2 hours, this step is
called a solution treatment. In the second stage, referred as quenching the material in the
solid solution state was rapidly cooled in water to room temperature and allowed to rest for
4 hours. In the third stage, the material was heated to a temperature of 175 ºC and kept at
different aging times.
This aging process, also called maturation, has been reported to improve the mechanical
properties of 6061 aluminum and produce changes in its crystalline structure. The different
maturation times evaluated were 15 min, 90 min, 8 am and 6 pm. Changes in tensile
strength were evaluated under standard ASTM E8M. Likewise, the variation in the material
hardness was evaluated for different maturation times, the performance of Vickers
microindentation hardness tests under standard ASTM E384. In each test was evidenced
the specimens got their maximum hardening at 18 hours of aging. |
| format | Trabajo de grado (Pregrado y/o Especialización) |
| id | repositorio.uan.edu.co-123456789-2211 |
| institution | Repositorio Digital UAN |
| language | spa |
| publishDate | 2021 |
| publisher | Universidad Antonio Nariño |
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| spelling | repositorio.uan.edu.co-123456789-22112024-10-09T22:54:08Z Efecto del tiempo de envejecido en la estructura cristalina y las propiedades mecánicas del aluminio 6061 Bonilla Canizales, Andrés Felipe Gordillo Medina, Lainer Fresned Jiménez Forero, Hernando Augusto Aluminio 6061 Propiedades mecánicas Refinamiento Rietveld Tratamientos térmicos Método de Williamson-Hall Difracción de rayos X 6061 aluminium Mechanical properties Rietveld refinement Heat treatments Williamson-Hall method X ray diffraction In this project, an analysis of the effect of aging time on the crystalline structure and mechanical properties of aluminum alloy 6061 was carried out. Aging is one of the 3 stages which is part a set of more complex heat treatments known as age hardening. The sequence used in this work was: First, the temperature was raised to obtain a homogeneous phase on the sample at a temperature of 530 ºC for 2 hours, this step is called a solution treatment. In the second stage, referred as quenching the material in the solid solution state was rapidly cooled in water to room temperature and allowed to rest for 4 hours. In the third stage, the material was heated to a temperature of 175 ºC and kept at different aging times. This aging process, also called maturation, has been reported to improve the mechanical properties of 6061 aluminum and produce changes in its crystalline structure. The different maturation times evaluated were 15 min, 90 min, 8 am and 6 pm. Changes in tensile strength were evaluated under standard ASTM E8M. Likewise, the variation in the material hardness was evaluated for different maturation times, the performance of Vickers microindentation hardness tests under standard ASTM E384. In each test was evidenced the specimens got their maximum hardening at 18 hours of aging. En este proyecto se realizó un análisis del efecto del tiempo de envejecido en la estructura cristalina y propiedades mecánicas de la aleación de aluminio 6061. El envejecido es una de las 3 etapas de las que consta una serie de tratamientos térmicos más complejo denominado bonificado. La secuencia que se usó en este trabajo fue: Primero, se elevó la temperatura para obtener una fase homogénea en la muestra a una temperatura de 530 °C durante 2 horas, esta etapa se denomina tratamiento de solubilización. En la segunda etapa, denominada temple, el material en estado de solución solida se enfrió rápidamente en agua hasta la temperatura ambiente y se dejó reposar por 4 horas. En la tercera etapa, se calentó el material hasta una temperatura de 175 °C y se mantuvo a diferentes tiempos de envejecido. Este proceso de envejecido también llamado maduración ha reportado mejorar las propiedades mecánicas del aluminio 6061 y produce cambios en su estructura cristalina. Los diferentes tiempos de maduración que se evaluaron fueron de 15 min, 90min, 8h y 18h. Los cambios en la resistencia a la tracción fueron analizados bajo la norma ASTM E8M. Así mismo se evaluó la variación de la dureza del material para diferentes tiempos de maduración, realizando ensayos de dureza de microindentación en escala Vickers bajo la norma ASTM E384. En ambas pruebas se evidenció que el máximo endurecimiento se logró a las 18 horas. Otro Ingeniero(a) Mecánico(a) Pregrado Costo total del proyecto $1,350,000.00. Financiación propia $400,000.00. Financiación UAN $950.000. Presencial 2021-03-02T14:06:18Z 2021-03-02T14:06:18Z 2020-07-21 Trabajo de grado (Pregrado y/o Especialización) info:eu-repo/semantics/acceptedVersion http://purl.org/coar/resource_type/c_7a1f http://purl.org/coar/version/c_970fb48d4fbd8a85 http://repositorio.uan.edu.co/handle/123456789/2211 ASM International. (1997). ASM Specialty Handbook: Heat-Resistant Materials. ASM International. ALCERMAS. 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The Minerals, Metals & Materials Society, 71(12), 4737-4745. instname:Universidad Antonio Nariño reponame:Repositorio Institucional UAN repourl:https://repositorio.uan.edu.co/ spa Acceso abierto Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess http://purl.org/coar/access_right/c_abf2 application/pdf application/pdf application/pdf Universidad Antonio Nariño Ingeniería Mecánica Facultad de Ingeniería Mecánica, Electrónica y Biomédica Bogotá - Sur |
| spellingShingle | Aluminio 6061 Propiedades mecánicas Refinamiento Rietveld Tratamientos térmicos Método de Williamson-Hall Difracción de rayos X 6061 aluminium Mechanical properties Rietveld refinement Heat treatments Williamson-Hall method X ray diffraction Bonilla Canizales, Andrés Felipe Gordillo Medina, Lainer Fresned Efecto del tiempo de envejecido en la estructura cristalina y las propiedades mecánicas del aluminio 6061 |
| title | Efecto del tiempo de envejecido en la estructura cristalina y las propiedades mecánicas del aluminio 6061 |
| title_full | Efecto del tiempo de envejecido en la estructura cristalina y las propiedades mecánicas del aluminio 6061 |
| title_fullStr | Efecto del tiempo de envejecido en la estructura cristalina y las propiedades mecánicas del aluminio 6061 |
| title_full_unstemmed | Efecto del tiempo de envejecido en la estructura cristalina y las propiedades mecánicas del aluminio 6061 |
| title_short | Efecto del tiempo de envejecido en la estructura cristalina y las propiedades mecánicas del aluminio 6061 |
| title_sort | efecto del tiempo de envejecido en la estructura cristalina y las propiedades mecanicas del aluminio 6061 |
| topic | Aluminio 6061 Propiedades mecánicas Refinamiento Rietveld Tratamientos térmicos Método de Williamson-Hall Difracción de rayos X 6061 aluminium Mechanical properties Rietveld refinement Heat treatments Williamson-Hall method X ray diffraction |
| url | http://repositorio.uan.edu.co/handle/123456789/2211 |
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