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AluMax™ Coating

Micro-grain aluminum oxide
Data Sheet (41599)
 
AluMax™ Coating
  • Dense, strongly adherent and amorphous alumina coating deposited using reactive DC pulsed magnetron sputtering
  • Oxidation resistant to 1100°C
  • Protects metal and alloy components against high-temperature oxidation
  • Suitable for high-temperature applications
 
AluMax™ Coating
Substrate:
 Compatibility: Steels, superalloys, MCrAIY bond coat, most ceramics and many polymers

Size: Up to 40 cm (16”)

Geometry: Any shape, even complex geometries
Structure:
 Amorphous
Temperature:
 Deposition: 200˚C (392˚F)

Use: 1100˚C (2012˚F)
Coating thickness:
 1-5 μm
Thermal conductivity:
 30 W/m-K
Refractive index:
 1.765 (λ = 0.589 μm)
Elastic modulus:
 323 GPa
Hardness:
 2000 DPHN
Fracture toughness:
 3.5 (MPa-m½)
Thermal expansion coefficient:
 7.8 (10-6/K)
Corrosion resistance:
 Oxidation resistant up to 1100˚C (2012˚F) in air