Thermal Spray Coatings for Defense (DoD)

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Defense (DoD) Thermal Spray Coating Components

Flame Spray Coating Co. offers a full range of thermal sprays used for the protection of newly manufactured aerospace & defense parts and the repair of existing components for the aerospace and defense industries. Please see below for example applications of our services within the aerospace industry or contact us to discuss your requirements.

Defense - Thermal coatings are utilised across the defence industry to protect and enhance components, such as machinery, munitions or weapons, contact us to discuss your requirements further.

Department of Defense Thermal Spraying Specs.

3.5.2 - Thermal spraying. Assemblies that will trap plating solutions and assemblies or parts that are of extreme size and weight for conventionally available plating or coating equipment shall be thermal sprayed. The material for coating shall be applied directly to the surface of the part after surface preparation. Unless otherwise specified in the contract or order, the coating thickness shall be not less than 0.004 inch and shall not be greater than 0.006 inch. Powders used for plasma spray coatings shall conform to A-A-59315.

3.5.2.1 - For corrosion control. When metallic materials such as zinc or aluminum are thermal sprayed for corrosion control of parts, no undercoating of another metal such as molybdenum shall be permitted on the substrate.

3.5.2.2 - For functional purposes. When non-metallic coatings, such as zirconia, alumina, metallic-ceramics, carbides, silicides, titanates, and cermets, are thermal sprayed for functional use on parts, an undercoat of another material or mixtures of materials in various proportions to produce coatings shall be allowed as a substrate where required to control the matching of the coefficients of thermal expansion between the base metal and the coating.

3.5.2.3 - Thermal spraying restrictions. When coatings are applied thermally, in no case shall the part be raised to a temperature that would adversely affect its mechanical, corrosion or stress corrosion resistant properties. If a part is shot-peened prior to the coating application, all thermal treatments performed after shot peening shall conform to the requirements of SAE AMS2430.

Industry Surface Requirement Component Thermal Spray Coatings
Defense
Coatings for the Defense industry
Thermal Barrier Rocket Combustion Chamber Zirconium Oxide
Resist Fretting Compressor Air Seals Aluminum Bronze
Particle Erosion Missle Nose Cones Calcium Zirconate
Shielding Missle Systems Pure Aluminum
Oxidation Resistance High Pressure Nozzles Cobalt-Molybdenum
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