Powder for cold spraying processes

Details Powder for cold spraying processes Powder for cold spraying processes

C - Chemistry, Metallurgy

04

B

C04B 35/628 (2006.01) B22F 1/02 (2006.01) C04B 35/634 (2006.01) C04B 41/45 (2006.01) C22C 1/04 (2006.01)

Patent

CA 2663070

The invention relates to a powder that is produced by immersing microparticles (2) in a first solution (4) which contains coupling molecules (5), and then in a second solution (10) which contains the nanoparticles (12), thereby producing microparticles (2) with nanoparticles (12) attached thereto. Said particles form powder particles (14) which allow nanoparticles (12) that are smaller than approximately 5µ to be applied to a component by cold gas spraying.

Poudre qui est obtenue par immersion de microparticules (2) dans une première solution (4) contenant des molécules de couplage (5) et dans une seconde solution (10) contenant des nanoparticules (12). Il en résulte des microparticules (2) auxquelles sont fixées des nanoparticules (12). Ces microparticules forment des particules de poudre (14) à l'aide desquelles il est possible de déposer des nanoparticules (12) inférieures à environ 5µ par projection dynamique par gaz froid sur une pièce.

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