TECHNOLOGY
The Best Professional Company in the Coating Field, Hankook Coatings
Thermal Spray Coating
Hankook Coatings possesses the best technologyin the coating field.
What is ARC SPRAY?
Arc spray coating is a thermal spray coating method using wires.
The wires fed from two branches meet, and then generate arcs,
and the wires are melted by the heat of the arcs and sprayed by
high-pressure air. It is one of the common thermal spray methods
both at home and abroad. Arc spray coating is easy to apply
in special environments because it has high efficiency and uses
relatively simple equipment.
The wires fed from two branches meet, and then generate arcs,
and the wires are melted by the heat of the arcs and sprayed by
high-pressure air. It is one of the common thermal spray methods
both at home and abroad. Arc spray coating is easy to apply
in special environments because it has high efficiency and uses
relatively simple equipment.
Mimetic Diagram
What is H.V.O.F?
H.V.O.F. stands for High Velocity Oxy-Fuel Spraying and is a thermal spray
coating method that sprays flames in high-pressure and at high-speed
through a supersonic nozzle and a separate combustion chamber that mixes
fuel with oxygen and combusts the fuel. Compared to other thermal spray
coatings, H.V.O.F. has fewer pores and allows coating with a relatively dense
structure, so coating quality is very excellent.
coating method that sprays flames in high-pressure and at high-speed
through a supersonic nozzle and a separate combustion chamber that mixes
fuel with oxygen and combusts the fuel. Compared to other thermal spray
coatings, H.V.O.F. has fewer pores and allows coating with a relatively dense
structure, so coating quality is very excellent.
Mimetic Diagram
What is PLASMA SPRAY?
PLASMA spray coating is a plasma flame spray method where
a plasma jet is used at high temperatures of over 10000℃, making it easy
to use materials with a high melting point. Therefore, it is very advantageous
in handling materials with high-melting point such as cemented carbide
or ceramics, which have very high hardness and do not corrode.
a plasma jet is used at high temperatures of over 10000℃, making it easy
to use materials with a high melting point. Therefore, it is very advantageous
in handling materials with high-melting point such as cemented carbide
or ceramics, which have very high hardness and do not corrode.
Mimetic Diagram
What is FLAME SPRAY?
Flame spray is a spray method using oxygen and fuel gas and both wire
and powder methods can be used for flame spray. It is generally used
to coat metals with low melting points.
and powder methods can be used for flame spray. It is generally used
to coat metals with low melting points.
Mimetic Diagram
What is FUSING?
The thermal spray inevitably results in pores and has problems with bonding
strength due to mechanical bonding. Since it is a method of melting the sprayed
layer by heating it again after spray to fill the pores and melt-bond
with the base material, problems such as deformation, cracking,
and shrinkage occur as in the case of welding.
strength due to mechanical bonding. Since it is a method of melting the sprayed
layer by heating it again after spray to fill the pores and melt-bond
with the base material, problems such as deformation, cracking,
and shrinkage occur as in the case of welding.
Therefore, skillful skills and experience are required.
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