Polymer-derived SiC/C/Al environmental barrier coatings on carbon steel

Pedro Hernández-Rodríguez; María Fernanda Valerio-Rodríguez; Wendy Analís Abarca-Paredes; Huixing Zhang; Keny Ordaz-Hernández; Eddie López-Honorato

doi:10.1080/17436753.2020.1827671

Polymer-derived SiC/C/Al environmental barrier coatings on carbon steel

Pedro Hernández-Rodríguez, María Fernanda Valerio-Rodríguez, Wendy Analís Abarca-Paredes, Huixing Zhang, Keny Ordaz-Hernández, Eddie López-Honorato

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Abstract

Carbon steel is a widely used structural material; however, it lacks corrosion resistance in water environments. An alternative approach to overcome this challenge is to implement the deposition of inherently corrosion-resistant ceramic coatings. SiC/C/Al coatings were developed at 700°C, using polycarbosilane in combination with Al and C, which were included as active and passive fillers, respectively. This work shows that it is necessary to use Al particle sizes below 10 µm for them to function as an active filler below 900°C. Owing to their laminar microstructure, these coatings showed a cohesive delamination with an adhesion strength of 10 MPa. Results demonstrated that these coatings were able to reduce the corrosion of carbon steel in saline water by 99.7%, with corrosion rates of 38.33 mpy for carbon steel, and 0.099 and 0.155 mpy for SiC/C and SiC/C/Al (10 µm) coatings, respectively.

Original language	English
Pages (from-to)	456-461
Number of pages	6
Journal	Advances in Applied Ceramics
Volume	119
Issue number	8
DOIs	https://doi.org/10.1080/17436753.2020.1827671
State	Published - Nov 2020

Funding

This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan ( http://energy.gov/downloads/doe-public-access-plan ) This work was supported by a grant from the Secretaría de Energía and Consejo Nacional de Ciencia y Tecnología (SENER-CONACYT) as part of the Mexican Center for Innovation in Ocean Energy (CEMIE-Ocean, project number 249795). The authors would like to acknowledge CONACYT for the Ph.D. grant awarded to M.F. Valerio-Rodriguez and W.A. Abarca-Paredes. Work sponsored by a grant from Secretar?a de Energ?a and Consejo Nacional de Ciencia y Tecnolog?a (SENER-CONACYT) as part of the Mexican Center for Innovation in Ocean Energy [CEMIE-Oc?ano, project number 249795]. This work was supported by a grant from the Secretar?a de Energ?a and Consejo Nacional de Ciencia y Tecnolog?a (SENER-CONACYT) as part of the Mexican Center for Innovation in Ocean Energy (CEMIE-Ocean, project number 249795). The authors would like to acknowledge CONACYT for the Ph.D. grant awarded to M.F. Valerio-Rodriguez and W.A. Abarca-Paredes.

Keywords

Adhesion
ceramic composites
coatings
corrosion
indentation and hardness
thick films

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10.1080/17436753.2020.1827671

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title = "Polymer-derived SiC/C/Al environmental barrier coatings on carbon steel",

abstract = "Carbon steel is a widely used structural material; however, it lacks corrosion resistance in water environments. An alternative approach to overcome this challenge is to implement the deposition of inherently corrosion-resistant ceramic coatings. SiC/C/Al coatings were developed at 700°C, using polycarbosilane in combination with Al and C, which were included as active and passive fillers, respectively. This work shows that it is necessary to use Al particle sizes below 10 µm for them to function as an active filler below 900°C. Owing to their laminar microstructure, these coatings showed a cohesive delamination with an adhesion strength of 10 MPa. Results demonstrated that these coatings were able to reduce the corrosion of carbon steel in saline water by 99.7%, with corrosion rates of 38.33 mpy for carbon steel, and 0.099 and 0.155 mpy for SiC/C and SiC/C/Al (10 µm) coatings, respectively.",

keywords = "Adhesion, ceramic composites, coatings, corrosion, indentation and hardness, thick films",

author = "Pedro Hern{\'a}ndez-Rodr{\'i}guez and Valerio-Rodr{\'i}guez, {Mar{\'i}a Fernanda} and Abarca-Paredes, {Wendy Anal{\'i}s} and Huixing Zhang and Keny Ordaz-Hern{\'a}ndez and Eddie L{\'o}pez-Honorato",

note = "Publisher Copyright: {\textcopyright} 2020 Institute of Materials, Minerals and Mining. Published by Taylor & Francis on behalf of the Institute.",

year = "2020",

month = nov,

doi = "10.1080/17436753.2020.1827671",

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AU - Hernández-Rodríguez, Pedro

AU - Valerio-Rodríguez, María Fernanda

AU - Abarca-Paredes, Wendy Analís

AU - Zhang, Huixing

AU - Ordaz-Hernández, Keny

AU - López-Honorato, Eddie

PY - 2020/11

Y1 - 2020/11

N2 - Carbon steel is a widely used structural material; however, it lacks corrosion resistance in water environments. An alternative approach to overcome this challenge is to implement the deposition of inherently corrosion-resistant ceramic coatings. SiC/C/Al coatings were developed at 700°C, using polycarbosilane in combination with Al and C, which were included as active and passive fillers, respectively. This work shows that it is necessary to use Al particle sizes below 10 µm for them to function as an active filler below 900°C. Owing to their laminar microstructure, these coatings showed a cohesive delamination with an adhesion strength of 10 MPa. Results demonstrated that these coatings were able to reduce the corrosion of carbon steel in saline water by 99.7%, with corrosion rates of 38.33 mpy for carbon steel, and 0.099 and 0.155 mpy for SiC/C and SiC/C/Al (10 µm) coatings, respectively.

AB - Carbon steel is a widely used structural material; however, it lacks corrosion resistance in water environments. An alternative approach to overcome this challenge is to implement the deposition of inherently corrosion-resistant ceramic coatings. SiC/C/Al coatings were developed at 700°C, using polycarbosilane in combination with Al and C, which were included as active and passive fillers, respectively. This work shows that it is necessary to use Al particle sizes below 10 µm for them to function as an active filler below 900°C. Owing to their laminar microstructure, these coatings showed a cohesive delamination with an adhesion strength of 10 MPa. Results demonstrated that these coatings were able to reduce the corrosion of carbon steel in saline water by 99.7%, with corrosion rates of 38.33 mpy for carbon steel, and 0.099 and 0.155 mpy for SiC/C and SiC/C/Al (10 µm) coatings, respectively.

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KW - coatings

KW - corrosion

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ER -

Polymer-derived SiC/C/Al environmental barrier coatings on carbon steel

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