1. Cold spray and thermal spraying

1.1 Principle

Thermal spraying conceals in its very name the two essential characteristics of the processes that make it up: on the one hand, the speed of the gas that sprays the powder that is to form the deposit and, on the other, the temperature of the particles (making up the powder) to which they are carried by this same gas. Depending on the values of these two parameters, the various processes in the thermal spraying family can be easily classified (figure 1 ). Apart from the spraying process, the other essential parameter is the powder, on which the choice of process depends. For this reason, a special section of this article is devoted to powder...

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Cold spray and thermal spraying

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page Cold-gas dynamic-spray process (or cold spray)

Cold spray technologies

Bibliography

(1) - SCHMIDT (T.), ASSADI (H.), GARTNER (F.) et al - From particle acceleration to impact bonding in cold spraying. - J. Thermal Spray Technol., vol. 18, p. 794-808 (2009).
(2) - YIN (S.), MEYER (M.), LIAO (H.) et al - Gas flow, particle acceleration and...

Standardization

Metallic materials – Rotary bar bending fatigue tests. - BS ISO 1143 :2010 - Décembre 2010
Essai d'adhérence par traction de revêtements projetés thermiquement. - ASTM C633-13 - 2017
Thermal spraying – Tensile adhesion testing. - NF EN ISO 14916 - Mai 2017
Particle size analysis – Laser diffraction methods. - ISO 13320 - Janvier 2020
Environmental management – Lifecycle analysis – Principles...

Regulations

ATEX Directive 201/34/EU on equipment and protective systems intended for use in potentially explosive atmospheres.

Patents

DANTIN (B.) et al. – Airbus Group SAS, Structure with electrically conductive lines on the surface and process for producing electrically conductive lines by cold spray, Patent WO 2016/107918 A1, 2016.

CHOHRA (M.) et al. – Dassault-Aviation, Composite part featuring a functional layer and a polymer binder, and associated cold spray manufacturing process. French patent # 3 006 914, 2013.

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