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ArcSpray

       ArcSpray    |    Welding    |    HVOF /  Powder

TWAS Parameters
  Wire Size 1/16" (1.66mm)
  Amps 200-230
  Voltage 30-32
  Stand Off 3-5 inches
  Coating Thickness 5 mils/pass
  Air Pressure 40-60 psig

Application of Liquidmetal-Armacor Coatings is similar to that of traditional hardfacing materials. Recommended spray parameters for Liquidmetal-Armacor Coatings products have been developed to facilitate the amorphous transformation and optimize the wear characteristics of the coatings. These parameters have been ultilized with a variety of thermal spray equipment in successful field applications. Coating quality has been confirmed by supporting laboratory data.

Surface Preparation

Surface preparation is very important when applying Liquidmetal coatings products. A well-defined surface profile is necessary to provide an anchor pattern for the coating. When properly prepared, the bond strength of Liquidmetal-Armacor Coatings is excellent (6,000 - 8,000 psi). Follow these steps to achieve the desired surface:

  • Grit blast, rather than sand blast, due to the more aggressive profile achieved. Recommended products include Aluminum Oxide compounds, Black Beauty or Starblast.
  • Grit blast to a white metal finish with clean coarse grit and dry, oil-free air.
  • Prepare a surface profile of 3-5 mils
  • Surface should be free of grit blast residue before the Liquidmetal coating is applied.


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