The high velocity oxy-fuel (HVOF) combustion spray technique previously has been shown to be an excellent solution for depositing nano-reinforced thermoplastic polymer coatings. Dense polymer coatings can be produced regardless of ceramic particle size with little change in the spray parameters. Composite powders with multiple scales of silica reinforcement, ranging from 12 nm to 100 µm, have been created. Preliminary testing was begun using melt processing. The multiple scales have shown improved scratch resistance relative to single-scale reinforcements.

composite powder, high velocity oxyfuel spray coating, polymer-silica nanocomposite coatings, scratch resistance
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Copyright © 2004 ASM International. All rights reserved.
2004
ASM International
Topics
Ceramic powder Thermoplastics High-velocity oxyfuel spray coating Nanocomposites
Issue Section:
Thermal Barrier Coatings
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