current position：Information and data>What is spraying combined with bottom layer method
Use some high melting point metals (such as molybdenum, etc.) or self-adhesive composite materials (such as nickel/aluminum, aluminum-copper alloy) materials, use such materials to have high melting points and generate exothermic effects when heated to spray onto oil-free and rust-free substrates The surface forms a bonding bottom layer with high adhesion strength, uniform roughness and thickness of about 80μm~100μm. This method can significantly improve the bonding performance and internal stress distribution of the working coating, and play the role of bonding and transition layer, which is called spray bonding bottom layer method.
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