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Title: Cold gas spray coatings: basic principles, corrosion protection and applications
Author: Santos da Silva, Fernando
Cinca i Luis, Núria
Dosta Parras, Sergi
García Cano, Irene
Guilemany, J. M. (José María)
Benedetti, Assis Vicente
Keywords: Revestiments
Issue Date: 30-Dec-2017
Publisher: Universidade Estadual Paulista
Abstract: 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.
Note: Reproducció del document publicat a:
It is part of: Eclética Química Journal, 2017, vol. 42, num. 1, p. 9-32
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ISSN: 0100-4670
Appears in Collections:Articles publicats en revistes (Ciència dels Materials i Química Física)

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