Etching fı́sico en fibras naturales y artificiales

ilustraciones, diagramas, fotografías a color

Autores:
Mosquera Gómez, Sergio
Tipo de recurso:
Fecha de publicación:
2023
Institución:
Universidad Nacional de Colombia
Repositorio:
Universidad Nacional de Colombia
Idioma:
spa
OAI Identifier:
oai:repositorio.unal.edu.co:unal/84503
Acceso en línea:
https://repositorio.unal.edu.co/handle/unal/84503
https://repositorio.unal.edu.co/
Palabra clave:
530 - Física::539 - Física moderna
620 - Ingeniería y operaciones afines::621 - Física aplicada
620 - Ingeniería y operaciones afines::624 - Ingeniería civil
Industria
Polímeros
Plásticos
Industry
Polymers
Plastics
Tensile Strength
Ductility
SEM
Circular Economy
Guadua angustifolia Fiber
Economı́a Circular
Guadua
Fique
Nylon
Rights
openAccess
License
Reconocimiento 4.0 Internacional
id UNACIONAL2_ee60ec8f5ebaa50db68167ce32f64d12
oai_identifier_str oai:repositorio.unal.edu.co:unal/84503
network_acronym_str UNACIONAL2
network_name_str Universidad Nacional de Colombia
repository_id_str
dc.title.spa.fl_str_mv Etching fı́sico en fibras naturales y artificiales
dc.title.translated.eng.fl_str_mv Plasma etching applied to natural and synthetic fibers
title Etching fı́sico en fibras naturales y artificiales
spellingShingle Etching fı́sico en fibras naturales y artificiales
530 - Física::539 - Física moderna
620 - Ingeniería y operaciones afines::621 - Física aplicada
620 - Ingeniería y operaciones afines::624 - Ingeniería civil
Industria
Polímeros
Plásticos
Industry
Polymers
Plastics
Tensile Strength
Ductility
SEM
Circular Economy
Guadua angustifolia Fiber
Economı́a Circular
Guadua
Fique
Nylon
title_short Etching fı́sico en fibras naturales y artificiales
title_full Etching fı́sico en fibras naturales y artificiales
title_fullStr Etching fı́sico en fibras naturales y artificiales
title_full_unstemmed Etching fı́sico en fibras naturales y artificiales
title_sort Etching fı́sico en fibras naturales y artificiales
dc.creator.fl_str_mv Mosquera Gómez, Sergio
dc.contributor.advisor.none.fl_str_mv Mariño Camargo, Álvaro
dc.contributor.author.none.fl_str_mv Mosquera Gómez, Sergio
dc.contributor.researchgroup.spa.fl_str_mv Grupo de Superconductividad y Nuevos Materiales
dc.subject.ddc.spa.fl_str_mv 530 - Física::539 - Física moderna
620 - Ingeniería y operaciones afines::621 - Física aplicada
620 - Ingeniería y operaciones afines::624 - Ingeniería civil
topic 530 - Física::539 - Física moderna
620 - Ingeniería y operaciones afines::621 - Física aplicada
620 - Ingeniería y operaciones afines::624 - Ingeniería civil
Industria
Polímeros
Plásticos
Industry
Polymers
Plastics
Tensile Strength
Ductility
SEM
Circular Economy
Guadua angustifolia Fiber
Economı́a Circular
Guadua
Fique
Nylon
dc.subject.lemb.spa.fl_str_mv Industria
Polímeros
Plásticos
dc.subject.lemb.eng.fl_str_mv Industry
Polymers
Plastics
dc.subject.proposal.eng.fl_str_mv Tensile Strength
Ductility
SEM
Circular Economy
Guadua angustifolia Fiber
dc.subject.proposal.spa.fl_str_mv Economı́a Circular
Guadua
Fique
Nylon
description ilustraciones, diagramas, fotografías a color
publishDate 2023
dc.date.accessioned.none.fl_str_mv 2023-08-09T14:01:00Z
dc.date.available.none.fl_str_mv 2023-08-09T14:01:00Z
dc.date.issued.none.fl_str_mv 2023-08-08
dc.type.spa.fl_str_mv Trabajo de grado - Maestría
dc.type.driver.spa.fl_str_mv info:eu-repo/semantics/masterThesis
dc.type.version.spa.fl_str_mv info:eu-repo/semantics/acceptedVersion
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status_str acceptedVersion
dc.identifier.uri.none.fl_str_mv https://repositorio.unal.edu.co/handle/unal/84503
dc.identifier.instname.spa.fl_str_mv Universidad Nacional de Colombia
dc.identifier.reponame.spa.fl_str_mv Repositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourl.spa.fl_str_mv https://repositorio.unal.edu.co/
url https://repositorio.unal.edu.co/handle/unal/84503
https://repositorio.unal.edu.co/
identifier_str_mv Universidad Nacional de Colombia
Repositorio Institucional Universidad Nacional de Colombia
dc.language.iso.spa.fl_str_mv spa
language spa
dc.relation.references.spa.fl_str_mv Albella, J. M., editor (2003). Láminas Delgadas y Recubrimientos, Preparación Propiedades y Aplicaciones. Consejo superior de investigaciones cientı́ficas, Madrid, 1 edition.
ASTM-C1557 (2020). Standard test method for tensile strength and young’s modulus of fibers.
Barkoula, N., Alcock, B., Cabrera, N., and Peijs, T. (2008). Fatigue properties of highly oriented polypropylene tapes and all-polypropylene composites. 16.
Barra, B., Bergo, S. S. P., AlvesJr, C., K.Ghavamid, and SavastanoJr., H. (2015). Residual sisal fibers treated by methane cold plasma discharge for potential application in cement based material. Industrial Crops and Products, 77:691–702.
Bledzki, A. and Gassan, J. (1999). Composites reinforced with cellulose based fibres. Profress in Polymer Science, 24:221–274.
Bledzki, A., Reihmane, S., and Gassan, J. (1996). Properties and modification methods for vegetable fibers for natural fiber composites. Journal of Applied Polymer Science, 59, 1329-1336.
Bresin, M. (2015). [illinois] an introduction to scanning electron microscopy and focused ion beam.
Centeno-Mesa, N., Lombana-Toro, O., Correa-Aguirre, J. P., and Hidalgo-Salazar, M. A. (2022). Effect of fique fibers and its processing by-products on morphology, thermal and mechanical properties of epoxy based biocomposites. Nature-Scientific Reports.
Champman, B., editor (1980). Glow Discharge Processes, Sputtering and Plasma Etching. John Wiley & Sons, New York, 1 edition.
Daniel, I. M. and Ishai, O., editors (2006). Engineering Mechanics of Composite Materials. Oxford University Press, USA, 2 edition.
Deshpande, A. P., Rao, M. B., and Rao, C. L. (2000). Extraction of bamboo fibers and their use as reinforcement in polymeric composites. Journal of Applied Polymer Science, 76:83–92.
Echeverri, R. D. E., Montoya, L. M. F., and Velásquez, M. R. G. (2015). Fique en Colombia. Fondo Editorial ITM.
Egerton, R. F., editor (2016). Physical Principles of Electron Microscopy - An Introduction to TEM, SEM and AEM. Springer, Canada, 2 edition.
Elseify, L., Midani, M., El-Badawy, A., and Jawaid, M., editors (2021). Manufacturing Automotive components fron sustainable natural fibers composites. Springer briefs in Materials, SBN 978-3-030-83025-0.
Faruk, O., Bledzki, A., and Fink, H. (2013). Progress report on natural fiber reinforced composites. Macromol Mater Eng, 19.
Feynman, R. P. (1999). The Feynman Lectures on Physics Vol II: Electromagnetism and Matter. Addison-Wesley Iberoamericana.
Grieseler, R. (2020). Microscopı́o electrónico de barrido.
Hunt, M. S. (2019). Scanning electron microscopy (sem) concepts.
Hutchison, I. (2001). Introduction to plasma physics.
Image-J (2020). Programa de procesamiento de imagen digital. https://imagej.net/software/fiji/.
Kushwaha, P., Kumar, R., Yu, X., Wang, C., Wei, W., and Zhang, S. (2010). Studies on performance of acrylonitrile-pretreated bamboo- reinforced thermosetting resin composites. Journal of Reinforced Plastics and Composites, 29.
Luna, P. (2019). Mechanical behavior of a composite material using a polyester matrix reinforced with Guadua angustifolia bamboo fibers. PhD thesis, Universidad Nacional de Colombia.
Luna, P., Lizarazo-Marriaga, J., and Mariño, A. (2016). Guadua angustifolia bamboo fibers as reinforcement of polymeric matrices: An exploratory study. Construction and Building Materials, 116:93–97.
Luna, P., Mariño, A., and Lizarazo-Marriaga, J. M. (2018). Dry etching plasma applied to guadua angustifolia bamboo fibers: Influence on their mechanical properties and surface appearance. Non-Conventional Materials and Technologies, 7:332–340.
Manos, D. M. and Flamm, D. L., editors (1989). Plasma Etching and Introduction. Academic Press, United Kingdom, 1 edition.
Mohanty, A., Misra, M., and Drzal, L. (2002). Sustainable biocomposites from renewable resources : Opportunities and challenges in the green materials world. Journal of Polymers and the Environment, 10:19–26.
Norhidayah, M. H., Hambali, A., Yuhazri, Y., Marjom, Z., Taufik, and Saifuddin, H. (2014). A review of current development in natural fiber composites in automotive applications. Applied Mechanics and Materials, 564.
Oliveira, M. S., da Costa Garcia Filho, F., da Luz, F. S., da Cruz Demosthenes, L. C., Pereira, A. C., Colorado, H. A., Nascimento, L. F. C., and Monteiro, S. N. (2019). Evaluation of dynamic mechanical properties of fique fabric/epoxy composites.
Rebelo, R., Fernandes, M., and Fangueiro, R. (2017). Biopolymers in medical implants: A brief review. Procedia Engineering, 200:236–243.
Rijswijk, K., Brouwer, W., and Beukers, A. (2001). Application of natural fibre composites in the development of rural societies.
Rodrı́guez, L., Fangueiro, R., and Orrego, C. (2015). Effect of chemical and plasma dbd treatments on pseudostem plantain fiber properties. Rev. LatinAm. Metal. Mat, 35:295–304.
Song, W. and Zhao, F. (2015). Interfacial characterization and optimal preparation of novel bamboo plastic composite engineering materials. Bioresources, pages 5049–5070.
Steffens, F., Steffens, H., and Oliveira, F. R. (2017). Applications of natural fibers on architecture. Procedia Engineering, 200:317–324.
Stokke, D. D., Wu, Q., and Han, G. (2013). Introduction to Wood and Natural Fiber Composites. Wiley series in renewable resource, ISBN 978-0-470-71091-3.
Suddell, B. C. and Rosemaund, A. (2015). Industrial fibres: Recent and current developments.
Biodegradable Green Composites Cáp 2: Surface Modification of Natural Fibers Using Plasma Treatment. 1 edition.
Sun, D. and Stylios, K. (2005). Investigating the plasma modification of natural fiber fabrics-the effect on fabric surface and mechanical properties. Textile Research Journal, 75:639–644.
Sánchez-Cruz, M. L., Patiño-Castro, W. A., and Cárdenas-Pulido, J. W. (2020). Methods of surface treatment and its effect on the physical and mechanical properties of guadua fibers métodos de tratamiento superficial y su efecto en las propiedades fı́sico mecánicas de fibras de guadua. Scientia et Technica Año XXV, 25.
Upadhye, N. Y. (2021). Synthetic fibers: Types, properties and uses https: //textilelearner.net/synthetic-fibers-types-properties/.
Valdés, O., Tejero, J., Valle, A., and Gamboa, M. (2014). Determinación de las curvas esfuerzo-deformación sobre cargas axiales de una raı́z tropical.
dc.rights.coar.fl_str_mv http://purl.org/coar/access_right/c_abf2
dc.rights.license.spa.fl_str_mv Reconocimiento 4.0 Internacional
dc.rights.uri.spa.fl_str_mv http://creativecommons.org/licenses/by/4.0/
dc.rights.accessrights.spa.fl_str_mv info:eu-repo/semantics/openAccess
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dc.format.extent.spa.fl_str_mv xvi, 84 páginas
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dc.publisher.program.spa.fl_str_mv Bogotá - Ciencias - Maestría en Ciencias - Física
dc.publisher.faculty.spa.fl_str_mv Facultad de Ciencias
dc.publisher.place.spa.fl_str_mv Bogotá, Colombia
dc.publisher.branch.spa.fl_str_mv Universidad Nacional de Colombia - Sede Bogotá
institution Universidad Nacional de Colombia
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spelling Reconocimiento 4.0 Internacionalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Mariño Camargo, Álvaro571fe3e9d21b033b185caac020acde0bMosquera Gómez, Sergio73e5dd514b37f5a63f490532468ebfc7Grupo de Superconductividad y Nuevos Materiales2023-08-09T14:01:00Z2023-08-09T14:01:00Z2023-08-08https://repositorio.unal.edu.co/handle/unal/84503Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/ilustraciones, diagramas, fotografías a colorHoy en dı́a, las fibras naturales y sintéticas se están convirtiendo en un recurso valioso para la industria de los compuestos. El uso de fibras naturales y sintéticas como refuerzo de matrices poliméricas tiene muchas ventajas: mejora las propiedades mecánicas por unidad de peso, disminuye el costo de fabricación por unidad de volumen y, entre otras cosas, es amigable con el medio ambiente. A pesar de todo esto, la baja compatibilidad entre los componentes puede resultar en un mal comportamiento mecánico. Sin embargo, los tratamientos con plasma pueden modificar la superficie de las fibras utilizadas como refuerzo, mejorando las uniones entre las diferentes fases del composito. En este trabajo se presentan los resultados de los efectos producidos por los tratamientos con Etching Fı́sico sobre el módulo de Young, ductilidad, resistencia máxima a la tensión y la morfologı́a superficial de las fibras de Guadua angustifolia, Fique y Nylon. Las fibras naturales y sintéticas fueron expuestas a bombardeos fı́sicos con iones de argón durante diferentes intervalos de tiempo y diferentes potencias. El análisis de microscopı́a electrónica de barrido (SEM) mostró que todas las fibras tratadas exhiben superficies rugosas y que la rugosidad de las superficies aumentaba con el tiempo de bombardeo. Los resultados del módulo de Young en función del tiempo de bombardeo y de la energı́a de los iones incidentes mostraron un incremento significativo en las fibras de Guadua y Fique, pero no cambiaron significativamente en las fibras de Nylon. La ductilidad de las fibras de Guadua, Fique y Nylon no se vio afectada apreciablemente en función de la potencia y del tiempo de bombardeo. La resistencia máxima a la tensión se afecto en las fibras de Guadua y Fique y permanecio aproximadamente sin modificaciones en las fibras de Nylon. Los daños producidos en las fibras naturales por el bombardeo de iones según lo determinado por el análisis SEM podrı́an considerarse como una causa importante del aumento observado en el módulo de Young y la resistencia máxima a la tensión. Por otra parte, si bien los daños producidos en las superficies de las fibras tratadas (aumento de la rugosidad), como consecuencia del bombardeo iónico, pueden considerarse como una de las causas del aumento observado en el módulo de Young y en la resistencia máxima a la tensión de las fibras naturales, otros efectos como la alteración del contenido de hemicelulosa y lignina, no pueden descartarse como causas probables del cambio en las propiedades mecánicas de las fibras naturales y el efecto casi nulo observado en las fibras sintéticas (Nylon), a pesar de los daños producidos en su superficie. (Texto tomado de la fuente)Nowdays, natural and synthetic fibers are becoming a valuable resource for composite industry. The use of natural and synthetic fibers as reinforcement of polymeric matrices has many advantages: it betters mechanical properties per unit of weight, decreases the cost of manufacturing per unit of volume and, among other things, it is environmentally friendly. Despite all of this, the low compatibility between the constituents can result in a poor mechanical behavior. However, plasma treatments can modify the surface of the fibers used as reinforcement, improving the joints between the different phases of the composite. This work present the results of the effects produced by dry etching plasma treatments on the Young’s modulus, ductility, maximum tensile strength and surface morphology of Guadua angustifolia, Fique and Nylon fibers. Natural and synthetic fibers were exposed to physical bombardment with argon ions during different time intervals and different powers. Scanning electron microscopy (SEM) analysis showed that all treated fibers exhibited rough surfaces and that the surfaces roughness increased with the bombardment time. The results of Young’s modulus as a function of bombardment time and the energy of the incident ions displayed a significant increment in Guadua and Fique fibers but did not change significantly in Nylon fibers. The ductility of the Guadua, Fique and Nylon fibers was not appreciably affected in function of power and bombardment time. The maximum tensile strength affected the fibers of Guadua and Fique and remained approximately unchanged in the nylon fibers. The damages produced in the natural fibers by ion bombardment as determined by SEM analysis could be considered as an important cause of the observed increase in Young’s modulus and maximum tensile strength. On the other hand, although the damage caused on the surfaces of the treated fibers (increased roughness), as a consequence of ion bombardment, can be considered as one of the causes of the observed increase in Young’s modulus and the maximum tensile strength of natural fibers, other effects such as altered hemicellulose and lignin content can not be ruled out as probable causes of the change in the mechanical properties of natural fibers and the almost zero effect observed in synthetic fibers (Nylon), despite the damage produced on its surface.MaestríaMagíster en Ciencias - FísicaNuevos MaterialesMateriales del Futuroxvi, 84 páginasapplication/pdfspa530 - Física::539 - Física moderna620 - Ingeniería y operaciones afines::621 - Física aplicada620 - Ingeniería y operaciones afines::624 - Ingeniería civilIndustriaPolímerosPlásticosIndustryPolymersPlasticsTensile StrengthDuctilitySEMCircular EconomyGuadua angustifolia FiberEconomı́a CircularGuaduaFiqueNylonEtching fı́sico en fibras naturales y artificialesPlasma etching applied to natural and synthetic fibersTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/acceptedVersionTexthttp://purl.org/redcol/resource_type/TMBogotá - Ciencias - Maestría en Ciencias - FísicaFacultad de CienciasBogotá, ColombiaUniversidad Nacional de Colombia - Sede BogotáAlbella, J. M., editor (2003). Láminas Delgadas y Recubrimientos, Preparación Propiedades y Aplicaciones. Consejo superior de investigaciones cientı́ficas, Madrid, 1 edition.ASTM-C1557 (2020). Standard test method for tensile strength and young’s modulus of fibers.Barkoula, N., Alcock, B., Cabrera, N., and Peijs, T. (2008). Fatigue properties of highly oriented polypropylene tapes and all-polypropylene composites. 16.Barra, B., Bergo, S. S. P., AlvesJr, C., K.Ghavamid, and SavastanoJr., H. (2015). Residual sisal fibers treated by methane cold plasma discharge for potential application in cement based material. Industrial Crops and Products, 77:691–702.Bledzki, A. and Gassan, J. (1999). Composites reinforced with cellulose based fibres. Profress in Polymer Science, 24:221–274.Bledzki, A., Reihmane, S., and Gassan, J. (1996). Properties and modification methods for vegetable fibers for natural fiber composites. Journal of Applied Polymer Science, 59, 1329-1336.Bresin, M. (2015). [illinois] an introduction to scanning electron microscopy and focused ion beam.Centeno-Mesa, N., Lombana-Toro, O., Correa-Aguirre, J. P., and Hidalgo-Salazar, M. A. (2022). Effect of fique fibers and its processing by-products on morphology, thermal and mechanical properties of epoxy based biocomposites. Nature-Scientific Reports.Champman, B., editor (1980). Glow Discharge Processes, Sputtering and Plasma Etching. John Wiley & Sons, New York, 1 edition.Daniel, I. M. and Ishai, O., editors (2006). Engineering Mechanics of Composite Materials. Oxford University Press, USA, 2 edition.Deshpande, A. P., Rao, M. B., and Rao, C. L. (2000). Extraction of bamboo fibers and their use as reinforcement in polymeric composites. Journal of Applied Polymer Science, 76:83–92.Echeverri, R. D. E., Montoya, L. M. F., and Velásquez, M. R. G. (2015). Fique en Colombia. Fondo Editorial ITM.Egerton, R. F., editor (2016). Physical Principles of Electron Microscopy - An Introduction to TEM, SEM and AEM. Springer, Canada, 2 edition.Elseify, L., Midani, M., El-Badawy, A., and Jawaid, M., editors (2021). Manufacturing Automotive components fron sustainable natural fibers composites. Springer briefs in Materials, SBN 978-3-030-83025-0.Faruk, O., Bledzki, A., and Fink, H. (2013). Progress report on natural fiber reinforced composites. Macromol Mater Eng, 19.Feynman, R. P. (1999). The Feynman Lectures on Physics Vol II: Electromagnetism and Matter. Addison-Wesley Iberoamericana.Grieseler, R. (2020). Microscopı́o electrónico de barrido.Hunt, M. S. (2019). Scanning electron microscopy (sem) concepts.Hutchison, I. (2001). Introduction to plasma physics.Image-J (2020). Programa de procesamiento de imagen digital. https://imagej.net/software/fiji/.Kushwaha, P., Kumar, R., Yu, X., Wang, C., Wei, W., and Zhang, S. (2010). Studies on performance of acrylonitrile-pretreated bamboo- reinforced thermosetting resin composites. Journal of Reinforced Plastics and Composites, 29.Luna, P. (2019). Mechanical behavior of a composite material using a polyester matrix reinforced with Guadua angustifolia bamboo fibers. PhD thesis, Universidad Nacional de Colombia.Luna, P., Lizarazo-Marriaga, J., and Mariño, A. (2016). Guadua angustifolia bamboo fibers as reinforcement of polymeric matrices: An exploratory study. Construction and Building Materials, 116:93–97.Luna, P., Mariño, A., and Lizarazo-Marriaga, J. M. (2018). Dry etching plasma applied to guadua angustifolia bamboo fibers: Influence on their mechanical properties and surface appearance. Non-Conventional Materials and Technologies, 7:332–340.Manos, D. M. and Flamm, D. L., editors (1989). Plasma Etching and Introduction. Academic Press, United Kingdom, 1 edition.Mohanty, A., Misra, M., and Drzal, L. (2002). Sustainable biocomposites from renewable resources : Opportunities and challenges in the green materials world. Journal of Polymers and the Environment, 10:19–26.Norhidayah, M. H., Hambali, A., Yuhazri, Y., Marjom, Z., Taufik, and Saifuddin, H. (2014). A review of current development in natural fiber composites in automotive applications. Applied Mechanics and Materials, 564.Oliveira, M. S., da Costa Garcia Filho, F., da Luz, F. S., da Cruz Demosthenes, L. C., Pereira, A. C., Colorado, H. A., Nascimento, L. F. C., and Monteiro, S. N. (2019). Evaluation of dynamic mechanical properties of fique fabric/epoxy composites.Rebelo, R., Fernandes, M., and Fangueiro, R. (2017). Biopolymers in medical implants: A brief review. Procedia Engineering, 200:236–243.Rijswijk, K., Brouwer, W., and Beukers, A. (2001). Application of natural fibre composites in the development of rural societies.Rodrı́guez, L., Fangueiro, R., and Orrego, C. (2015). Effect of chemical and plasma dbd treatments on pseudostem plantain fiber properties. Rev. LatinAm. Metal. Mat, 35:295–304.Song, W. and Zhao, F. (2015). Interfacial characterization and optimal preparation of novel bamboo plastic composite engineering materials. Bioresources, pages 5049–5070.Steffens, F., Steffens, H., and Oliveira, F. R. (2017). Applications of natural fibers on architecture. Procedia Engineering, 200:317–324.Stokke, D. D., Wu, Q., and Han, G. (2013). Introduction to Wood and Natural Fiber Composites. Wiley series in renewable resource, ISBN 978-0-470-71091-3.Suddell, B. C. and Rosemaund, A. (2015). Industrial fibres: Recent and current developments.Biodegradable Green Composites Cáp 2: Surface Modification of Natural Fibers Using Plasma Treatment. 1 edition.Sun, D. and Stylios, K. (2005). Investigating the plasma modification of natural fiber fabrics-the effect on fabric surface and mechanical properties. Textile Research Journal, 75:639–644.Sánchez-Cruz, M. L., Patiño-Castro, W. A., and Cárdenas-Pulido, J. W. (2020). Methods of surface treatment and its effect on the physical and mechanical properties of guadua fibers métodos de tratamiento superficial y su efecto en las propiedades fı́sico mecánicas de fibras de guadua. Scientia et Technica Año XXV, 25.Upadhye, N. Y. (2021). Synthetic fibers: Types, properties and uses https: //textilelearner.net/synthetic-fibers-types-properties/.Valdés, O., Tejero, J., Valle, A., and Gamboa, M. (2014). Determinación de las curvas esfuerzo-deformación sobre cargas axiales de una raı́z tropical.EstudiantesInvestigadoresMaestrosORIGINAL1022325415.2023.pdf1022325415.2023.pdfTesis de Maestría en Ciencias - Físicaapplication/pdf111922267https://repositorio.unal.edu.co/bitstream/unal/84503/4/1022325415.2023.pdf2d4b62dda3de2f89cacb6fe3af59502fMD54LICENSElicense.txtlicense.txttext/plain; charset=utf-85879https://repositorio.unal.edu.co/bitstream/unal/84503/3/license.txteb34b1cf90b7e1103fc9dfd26be24b4aMD53THUMBNAIL1022325415.2023.pdf.jpg1022325415.2023.pdf.jpgGenerated Thumbnailimage/jpeg4079https://repositorio.unal.edu.co/bitstream/unal/84503/5/1022325415.2023.pdf.jpgb56c7432f08ab8aa9ba1e249f8bcac71MD55unal/84503oai:repositorio.unal.edu.co:unal/845032023-08-09 23:03:23.423Repositorio Institucional Universidad Nacional de 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