dor_id: 45876

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336.#.#.b: article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

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351.#.#.b: Journal of Applied Research and Technology

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856.4.0.u: https://jart.icat.unam.mx/index.php/jart/article/view/12/12

100.1.#.a: Younes, Hammad; Christensen, Greg; Groven, Lori; Hong, Haiping; Smith, Pauline

524.#.#.a: Younes, et al. (2016). Three dimensional (3D) percolation network structure: Key to form stablecarbon nano grease. Journal of Applied Research and Technology; Vol. 14 Núm. 6. Recuperado de https://repositorio.unam.mx/contenidos/45876

245.1.0.a: Three dimensional (3D) percolation network structure: Key to form stablecarbon nano grease

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias Aplicadas y Tecnología, UNAM

264.#.0.c: 2016

264.#.1.c: 2016-12-01

653.#.#.a: Carbon nanotube grease; Three-dimensional network percolation structure; Carbon nano material; Polyalphaolefin oil; Van der Waals forces

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico gabriel.ascanio@icat.unam.mx

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041.#.7.h: eng

520.3.#.a: Nano grease is found to be stable and homogeneous (wherein carbon nanotubes act as sole thickeners and oil is polyalphaolefin (PAO)). This is a good indication that three dimensional (3D) percolation network structures among carbon nanotubes (single wall and multi wall) play a crucial role in stabilization. To better understand this assumption and provide further evidence, some additional carbon nanomaterials, such as carbon nanofiber (CNF), graphene, fullerene (C60), Ni-coated single wall carbon nanotube (SWNT), are selected to make the grease. Unfortunately, CNF, graphene, fullerene (C60) and Ni-coated SWNT do not form stable greases as nanotubes do. In addition, SWNTs were mixed with CNF and Ni-coated SWNT respectively to see if stable grease could be formed. The results indicate that the CNF/SWNT did not form the stable grease, while Ni-coated SWNT/SWNT did. Inter molecular Van der Waals forces could reasonably explain these experimental results. Appropriate tube size (nanotube and nanofiber), stereo structure (nanotube, graphene and fullerene), surface energy (nanotube and Ni-coated nanotube) are critical factors that determine if Van der Waals forces could take effect or not. The scientific merit of this paper is that we understand in what manner stable greases are formed and what kinds of carbon materials are appropriate for acting as sole thickener.

773.1.#.t: Journal of Applied Research and Technology; Vol. 14 Núm. 6

773.1.#.o: https://jart.icat.unam.mx/index.php/jart

022.#.#.a: ISSN electrónico: 2448-6736; ISSN: 1665-6423

310.#.#.a: Bimestral

264.#.1.b: Instituto de Ciencias Aplicadas y Tecnología, UNAM

doi: https://doi.org/10.22201/icat.16656423.2016.14.6.12

harvesting_date: 2023-11-08 13:10:00.0

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last_modified: 2023-11-08 13:00:00

license_url: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es

license_type: by-nc-sa

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Artículo

Three dimensional (3D) percolation network structure: Key to form stablecarbon nano grease

Younes, Hammad; Christensen, Greg; Groven, Lori; Hong, Haiping; Smith, Pauline

Instituto de Ciencias Aplicadas y Tecnología, UNAM, publicado en Journal of Applied Research and Technology, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Younes, et al. (2016). Three dimensional (3D) percolation network structure: Key to form stablecarbon nano grease. Journal of Applied Research and Technology; Vol. 14 Núm. 6. Recuperado de https://repositorio.unam.mx/contenidos/45876

Descripción del recurso

Autor(es)
Younes, Hammad; Christensen, Greg; Groven, Lori; Hong, Haiping; Smith, Pauline
Tipo
Artículo de Investigación
Área del conocimiento
Ingenierías
Título
Three dimensional (3D) percolation network structure: Key to form stablecarbon nano grease
Fecha
2016-12-01
Resumen
Nano grease is found to be stable and homogeneous (wherein carbon nanotubes act as sole thickeners and oil is polyalphaolefin (PAO)). This is a good indication that three dimensional (3D) percolation network structures among carbon nanotubes (single wall and multi wall) play a crucial role in stabilization. To better understand this assumption and provide further evidence, some additional carbon nanomaterials, such as carbon nanofiber (CNF), graphene, fullerene (C60), Ni-coated single wall carbon nanotube (SWNT), are selected to make the grease. Unfortunately, CNF, graphene, fullerene (C60) and Ni-coated SWNT do not form stable greases as nanotubes do. In addition, SWNTs were mixed with CNF and Ni-coated SWNT respectively to see if stable grease could be formed. The results indicate that the CNF/SWNT did not form the stable grease, while Ni-coated SWNT/SWNT did. Inter molecular Van der Waals forces could reasonably explain these experimental results. Appropriate tube size (nanotube and nanofiber), stereo structure (nanotube, graphene and fullerene), surface energy (nanotube and Ni-coated nanotube) are critical factors that determine if Van der Waals forces could take effect or not. The scientific merit of this paper is that we understand in what manner stable greases are formed and what kinds of carbon materials are appropriate for acting as sole thickener.
Tema
Carbon nanotube grease; Three-dimensional network percolation structure; Carbon nano material; Polyalphaolefin oil; Van der Waals forces
Idioma
eng
ISSN
ISSN electrónico: 2448-6736; ISSN: 1665-6423

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