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2017-12-30

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cc-by (c) Universidade Estadual Paulista, 2017
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/157799

Cold gas spray coatings: basic principles, corrosion protection and applications

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Recurs relacionat

https://doi.org/10.26850/1678-4618eqj.v42.1.2017.p09-32

Resum

In this review, the beginnings and evolution of the cold gas spray (CGS) technique are described, followed by the main fundamental aspects of the technique together with a description of the several spraying systems up to date. Sequentially, the main spray parameters and their influence on the properties of the coatings are reported. Afterwards, the most important methodologies for preparing the feedstock powders to be sprayed, the effect of the powder composition, microstructure, particle size and shape on the properties of the coatings are discussed. The nature of the spray gun and nozzle, and the substrate pre-treatments were also discussed. With regard to microstructure and properties, the chemical and physical characterization of the coatings and the performance in protecting the substrates against corrosion together with some mechanical properties are presented and compared. The lacking systematic studies about the great part of investigated systems is the main drawback to compare the published results. Closing this review, the main applications, and the potentialities of the CGS coatings are evidenced.

Matèries

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Matèries (anglès)

Coatings

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Articles publicats en revistes (Ciència dels Materials i Química Física)

Citació

SANTOS DA SILVA, Fernando, et al. Cold gas spray coatings: basic principles, corrosion protection and applications. Eclética Química Journal. 2017. Vol. 42, num. 1, pags. 9-32. ISSN 0100-4670. [consulted: 4 of August of 2026]. Available at: https://hdl.handle.net/2445/157799

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