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Volume 12
Issue 3
10.3390/met12030517
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Article

Evolution of Nanostructured Carbon Coatings Quality via RT-CVD and Their Tribological Behavior on Nodular Cast Iron

by
Alejandra Moreno-Bárcenas
1,2,
Jesus Alejandro Arizpe Zapata
1,
Miguel Ángel Esneider Alcalá
1,
Jaime Téllez Ramírez
3,
Antonio Magaña Hernández
3 and
Alejandra García-García
1,*
1
Grupo de Síntesis y Modificación de Nanoestructuras y Materiales Bidimensionales, Centro de Investigación en Materiales Avanzados S.C., Parque PIIT, Km 10, Autopista Monterrey-Aeropuerto, Apodaca 66628, Mexico
2
Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, San Nicolás de los Garza 64570, Mexico
3
R&D ARBOMEX S.A de C.V., Calle Norte 7 No.102, Cd. Industrial, Celaya, Guanajuato 38010, Mexico
*
Author to whom correspondence should be addressed.
Metals 2022, 12(3), 517; https://doi.org/10.3390/met12030517
Submission received: 10 February 2022 / Revised: 3 March 2022 / Accepted: 9 March 2022 / Published: 18 March 2022
(This article belongs to the Topic Materials and Surface Treatment Processes Used for Engineering Applications)
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Abstract

One of the most critical problems in industry is the wear of materials. Graphene, as a tribological coating, has shown a tremendous impact on sliding surfaces. In this work, a few layers of graphene were grown on a nodular cast iron substrate, a material used in camshafts. The studied synthesis parameters in a rapid thermal chemical vapor deposition (CVD) furnace and the quality of the final coating are presented. The influence of hydrogen flow and cooling rate was evaluated, obtaining the best results in the few layers of graphene structure and deposition at 10 sccm and 4 °C/min. A standard ball-on-disk tribometer was used to assess the coefficient of friction on a few layers of graphene on nodular cast iron substrates. Laboratory test results show that the few layers of graphene coating resulted in a 60% reduction in coefficient of friction and close to a 70% reduction in volume removed versus the uncoated substrates. The surface of the substrate was not modified before a few layers of graphene growth to have a working surface close to camshafts obtained by the industrial process at ARBOMEX SA de CV.
Keywords: few layers graphene; graphene coating; friction coefficient; RT-CVD; ductile iron few layers graphene; graphene coating; friction coefficient; RT-CVD; ductile iron

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MDPI and ACS Style

Moreno-Bárcenas, A.; Arizpe Zapata, J.A.; Esneider Alcalá, M.Á.; Téllez Ramírez, J.; Magaña Hernández, A.; García-García, A. Evolution of Nanostructured Carbon Coatings Quality via RT-CVD and Their Tribological Behavior on Nodular Cast Iron. Metals 2022, 12, 517. https://doi.org/10.3390/met12030517

AMA Style

Moreno-Bárcenas A, Arizpe Zapata JA, Esneider Alcalá MÁ, Téllez Ramírez J, Magaña Hernández A, García-García A. Evolution of Nanostructured Carbon Coatings Quality via RT-CVD and Their Tribological Behavior on Nodular Cast Iron. Metals. 2022; 12(3):517. https://doi.org/10.3390/met12030517

Chicago/Turabian Style

Moreno-Bárcenas, Alejandra, Jesus Alejandro Arizpe Zapata, Miguel Ángel Esneider Alcalá, Jaime Téllez Ramírez, Antonio Magaña Hernández, and Alejandra García-García. 2022. "Evolution of Nanostructured Carbon Coatings Quality via RT-CVD and Their Tribological Behavior on Nodular Cast Iron" Metals 12, no. 3: 517. https://doi.org/10.3390/met12030517

APA Style

Moreno-Bárcenas, A., Arizpe Zapata, J. A., Esneider Alcalá, M. Á., Téllez Ramírez, J., Magaña Hernández, A., & García-García, A. (2022). Evolution of Nanostructured Carbon Coatings Quality via RT-CVD and Their Tribological Behavior on Nodular Cast Iron. Metals, 12(3), 517. https://doi.org/10.3390/met12030517

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