MDS Coating Technologies Aerospace Company SandMDS Coating Technologies Aerospace Company Sand

Particle Erosion

Protection from the ground up

Particle erosion significantly reduces time-on-wing and compromises flight safety.

ER-7™ and BlackGold® coatings protect against all particle erosion including sand, dust, salt, and volcanic ash.

MDS Coating Technologies Aerospace Company Black Hawk
MDS Coating Technologies Aerospace Company Rainbow Diagram
Visible Results

Rainbow configuration

The uncoated airfoils in the “Rainbow” compressor configuration exhibit significant erosion compared to the MDS coated airfoils which maintain airfoil geometry. The thin coatings do not significantly impact the airfoil weight or its dimensional profile.

Protection From
  • MDS Coating Technologies Aerospace Company

    Volcanic Ash Erosion

    After exposure to 2 kg of volcanic ash, the uncoated airfoil has completely eroded through the substrate material. Whereas, after 3 kg of volcanic ash exposure, the BlackGold® coated airfoil remains completely intact and retains its surface finish.

  • MDS Coating Technologies Aerospace Company

    Silica Sand Erosion

    Exposing critical compressor parts to the same amount of silica sand delivers significantly different results. BlackGold® coated blades remain completely intact with no erosion.

MDS Coating Technologies Aerospace Company Particle Erosion Uncoated Compressor

Uncoated

Uncoated T58 Blade after desert operation

MDS Coating Technologies Aerospace Company Particle Erosion Coated Compressor

Coated

Coated T58 Blade after desert operation

Performance Test

CH-46 in-theatre operations

First-stage compressor rotor blades are exposed to the most aggressive erosion in arid environments. Some engine types experience significant curling of the blade leading edge which leads to turbulent flow on the rotor blades.

Our coated T58 blades greatly mitigated the formation of LE curl, eliminated the need for field repairs and removed a safety-of-flight risk.

Our erosion and corrosion resistant coating technology is proven and unmatched.

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