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Plasma Spray Materials Chart

Material Hardness RN15 Ground Finishing RA Characteristics & Applications
Pure Aluminum 99% 10-14 Rt N/A
  • Excellent electrical conductivity
  • Excellent heat conductivity
  • Outstanding resistance to atmospheric, chemical and high temperature corrosion
Aluminum Oxide/Alumina 85-88 Rn15 6-10 Ground
  • Best ceramic material for electrical insulation
  • Very hard & dense
  • Excellent thermal insulator
Alumina Titania 97/3 88-91 Rn15 6-10 Ground
  • Very high thermal shock resistance
  • Excellent wear resistance
  • Non wetting with molten metals
Alumina Titania 87/13 90-94 Rn15 12-14 Ground
  • Low friction bearing surfaces
  • Excellent abrasion resistance
  • Excellent erosion resistance
Aluminum Bronze 55-60 Rn15 15-20 Ground
  • Self-lubricating & non-seizing
  • Well-suited for reclamation/refurbishing of bronze bearings, parts & castings
  • Excellent for sea water propeller shafts
  • Most corrosion resistant alloy available for plasma coating
Calcia Stabilized Zirconia 74-76 Rn15 10-15 Ground
  • Outstanding thermal barrier
  • High thermal shock resistance
  • High temperature erosion protection
Chrome Oxide/Chromia 92-95 Rn15 1-3 Lapped
  • Cavitation resistant
  • Mechanical wear resistant
  • Abrasion resistant
  • Corrosion resistant
  • Low coefficient of friction
Copper 99% 31-35 Rn15 12-16 Ground
32 Machined
  • Excellent electrical conductivity
  • Excellent heat conductivity
  • Well-suited for EMI shielding
  • Protects against static discharge
Magnesium Zicronate 70-74 Rn15 65-70 Ground
  • Outstanding thermal barrier
  • Excellent erosion resistance
  • Best ceramic material for thermal shock resistance
  • Non wetting with molten metals
Molybdenum 99% 64-76 Rn15 15-25 Ground
  • High bond strength
  • Highly lubricious
  • Excellent wear properties
  • Well-suited for EMI/RFI shielding
  • Ideal for gas sealing on HIP cans/cylinders
  • Particle capture in deposition applications
Monel (Nickel/Copper) 34-36 Rn15 45-55 Ground
  • Well-suited for restoration of dimensions of Cu/Ni alloys
  • Highly resistant to sea water
Nickel 99% 42-45 Rn15 12-20 Ground
  • Well-suited for machine element reclamation/restoration
  • Highly resistant to high temperature corrosion
Nickel 95%-Aluminum 5% 40-43 Rn15 12-20 Ground
  • High bond strength
  • Well-suited for machine element repair
Nickel 80%-Chrome 20% 61-66 Rn15 30-60 Ground
  • Excellent oxidation resistance
  • Outstanding resistance to salt & environmental corrosion
  • Excellent heat resistance
  • Outstanding resistance to sliding/rotation wear
  • Bond coat to 1800°F
Spinel/Magnesia Alumina 85-88 Rn15 8-12 Ground
  • Good dielectric insulator
  • Better thermal shock protection than pure alumina
Titanium Dioxide/Titania 81-83 Rn15 8-10 Ground
  • Low porosity
  • Very hard & dense
  • Excellent corrosion resistance
Yttrium Oxide/Yttria N/A 8-10 Ground
  • High temperature corrosion resistance
Yttria Stabilized Zirconia 75-78 Rn15 15-20 Ground
  • High temperature thermal barrier
316 Stainless Steel 56-58 Rn15 25-35 Ground
  • Well-suited for resurfacing of pump/seal components
  • Excellent marine & potable water resistance
420 Stainless Steel 200-400 Ra 25-35
  • Outstanding wear resistance
  • Good corrosion resistance

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