Combustion Powder Thermal Spray Process
Flame Spray Process
This process is basically the spraying of molten material onto a
surface to provide a coating. Material in powder form is melted in a
flame (oxy-acetylene or hydrogen most common) to form a fine spray.
When the spray contacts the prepared surface of a substrate material,
the fine molten droplets rapidly solidify forming a coating. This flame
spray process carried out correctly is called a "cold process"
(relative to the substrate material being coated) as the substrate
temperature can be kept low during processing avoiding damage,
metallurgical changes and distortion to the substrate material.
The main advantage of this flame spray process over the similar Combustion wire spray process is that a much wider range of materials can be easily processed into powder form giving a larger choice of coatings. The flame spray process is only limited by materials with higher melting temperatures than the flame can provide or if the material decomposes on heating.
Introducing
Nature of Thermal Spray Coatings
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Applications:
Thermal Spray Coatings on Carbon and Glass Fibre Reinforced Polymers
HVOF Coating of Paper Making Roll
Abradable Coatings
Thermal Spray Processes:
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Combustion Powder Thermal Spray Process
Arc Wire Thermal Spray Process
Plasma Thermal Spray Process
HVOF Thermal Spray Process
HVAF Thermal Spray Process
Detonation Thermal Spray Process
Plasma Flame Theory
Cold Spray Coating Process
Wear and Use of Thermal Spray Coatings
Corrosion and Use of Thermal Spray Coatings
Glossary of Thermal Spray and Surface Engineering Terms
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