Powdered metal spray coating material, process for producing...

Details Powdered metal spray coating material, process for producing... Powdered metal spray coating material, process for producing...

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Patent

CA 2017467

A powdered metal spray coating material comprises two or more of Ni, Cr and Co, and 0.1 to 1.0% by weight of Y based on the total weight of the spray coating material. If Co is present in this spray coating material,, the content of Co is in a range of 20 to 40% by weight, and the balance is Ni and/or Cr. If Cr is present, the content of Cr is in a range of 15 to 30% by weight, and the balance is Ni and/or Co. Such powdered metal spray coating material is produced by melting and homogenizing starting metals in vacuum and forming them into a metal powder by a gas atomizer.

nduit à vaporiser métallique en poudre comprenant les deux ou trois constituants suivants : Ni, Cr et Co et 0,1 à 1,0 % de Y par rapport au poids total de l'enduit à vaporiser. Si le Co est présent dans cet enduit à vaporiser, sa teneur est de l'ordre de 20 à 40 % en poids et le reste est constitué de Ni et (ou) de Cr. Si le Cr est présent, sa teneur est de l'ordre de 15 à 30 % en poids et le reste est constitué de Ni et (ou) de Co. Cet enduit à vaporiser métallique en poudre est produit par fusion et homogénéisation des métaux de départ sous vide et par la formation d'une poudre métallique par atomisation gazeuse

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