Spray powder for hardfacing and part with hardfacing

Details Spray powder for hardfacing and part with hardfacing Spray powder for hardfacing and part with hardfacing

B - Operations, Transporting

22

F

B22F 1/00 (2006.01) B22F 7/06 (2006.01) C04B 35/56 (2006.01) C22C 29/08 (2006.01) C23C 4/06 (2006.01) C23C 24/00 (2006.01)

Patent

CA 2151938

A spray powder for thermal spraying onto a substrate to provide a hardfacing, and a part with such hardfacing on the surface thereof, that is corrosion-resistant and abrasion-resistant. The spray powder comprises between about 75 to about 90 weight percent of tungsten carbide. The powder further comprises between about 10 and 25 weight percent of a nickel-based alloy, which includes Mo, and optionally, includes one or more of Fe, C, Cr, Mn, Co, Si and W.

Poudre à pulvériser à chaud sur un substrat pour lui donner un revêtement dur, et pièce à surface à revêtement dur résistante à la corrosion et à l'abrasion. La poudre à pulvériser contient entreenviron 10 et environ 25 % en poids d'un alliage à base de nickel, qui contient du Mo et éventuellement un ou plusieurs éléments de Fe, C, Cr, Mn, Co, Si et W.

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