High speed thermal spray coating method

C - Chemistry – Metallurgy – 23 – C

Patent

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Details

C23C 4/08 (2006.01) C23C 4/12 (2006.01)

Patent

CA 2213183

In a thermal spray coating method, a high speed flame is produced by using a combustion gas and then thermal spray coating material powder is sprayed onto the surface 100 of the base material by using the high speed flame to form a coating 102 on the surface of the base material. As for the thermal spray coating material powder, a mixed powder is used. The mixed powder contains (A) 98-70% in volume of Cu based lead bronze alloy powder and (b) 2-30% in volume of Al powder or Al based alloy powder.

Dans une méthode de revêtement par pulvérisation thermique, une flamme à haute vitesse est produite par l'utilisation d'un gaz de combustion et, ensuite, on pulvérise une matière en poudre de revêtement par pulvérisation thermique sur la surface 100 de la matière de base en utilisant la flamme à haute vitesse pour former un revêtement 102 sur cette surface. Comme matière en poudre de revêtement par pulvérisation thermique, on utilise une poudre mélangée. La poudre mélangée contient (A) 98-70 % en volume de poudre d'alliage de bronze au plomb à base de Cu et (b) 2-30 % en volume de poudre d'Al ou de poudre d'alliage à base d'Al.

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