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Surface Engineering - Wear Resistance Specialists

Wear Resistance Specialists

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To Wear Solutions

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You are here: Home / Processes / Spray Overlay Processes / Twin Wire Arc Spray (TWAS)

Twin Wire Arc Spray (TWAS)

In Twin Wire Arc Spray two consumable wire electrodes are fed into a gun where they are electrically charged, creating an arc between the two wires. The heat from the arc melts the wire, then compressed gas or air propels fine droplets of molten metal to the surface of the part that is being coated.  The deposited metal creates a mechanical bond with the part.

The process is energy-efficient; it only requires about one-eighth the energy of other spray methods to melt the metal. This allows operating at lower temperatures. It has faster spray rates and higher deposition rates than other thermal spray processes as well, making arc spray one of the most efficient and cost-effective spray processes.

Surface Engineering - Wear Resistance Specialists

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MENU
  • Home
  • Wear Modes
    • Abrasion
    • Erosion
    • Adhesion
    • Surface Fatigue
  • Consumables
    • Product Forms
    • Nickel Alloys SPECIALLOY
    • Cobalt Alloys PRIME
    • Alloy + Tungsten Carbide CARBORIDE
    • Carbide HVOF Powders VELOCITY
    • Tungsten Carbide
    • Tungsten Powders
    • Tungsten Rods
    • Iron Based Products
    • Wire
  • Processes
    • Welded Overlay Processes
      • MIG & Submerged Arc Hardfacing
      • TIG & Oxy-Acetylene Hardfacing
      • Laser Hardfacing
      • Plasma Transfer Arc (PTA) Hardfacing
    • Spray Overlay Processes
      • HVOF Spray
      • Plasma Spray
      • Twin Wire Arc Spray (TWAS)
      • Flame Spray
      • Manual Torch Powder Welding
    • Furnace Overlay Processes
      • Infiltration
  • Equipment
    • SE PTA 350 – PTA System
    • SE TW 400 – Twin Wire Arc Spray System
    • SE-JET 5000 – HP-HVOF Spray System
    • SP1100DP TAC System
    • Manual / Puddle Spray Torch
  • Resources
    • Hardness Conversion Chart
    • Coefficient of Thermal Expansion
    • Powder Mesh Size Comparator
    • Particle Size Distribution Chart
  • About Us
  • Contact