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Thermal Spray Coatings 

As Fisher Barton Group customers from various 

industries demanded better performance from their 

products, Fisher Barton took a leading position in 

the development of coatings to improve wear characteristics.  

Thermal Spray Technologies was founded in 1988 and 

continues to be a leader in the thermal spray coating field.

Thermal spray is a generic term for a group of coating 

processes used to apply metallic or non-metallic coatings.  

These processes are group into three major categories:

These energy are used to heat the coating material (in 

powder, wire or rod form) to a molten or semi-molten 

state.  The resultant heated particles are accelerated 

and propelled toward a prepared surface by either process 

gases or atomization jets.  Upon impact, a bond forms with 

the surface with subsequent particles causing thickness buildup.

The Fisher Barton Group uses four different types of thermal 

spray processes to deposit materials - flame spray, wire-arc, 

plasma spray and High Velocity Oxy-Fuel (HVOF)

Flame Spraying

Flame Spraying uses a combustion source 

to melt a powder or wire material.  Its two

major advantages are low operating cost 

and high portability.

Wire-arc

Wire-are spraying utilizes conductive wires 

that are charged with opposite polarity.  

When the wires are brought together they 

melt, creating molten droplets.  An advantage

of the wire-arc is fast coating deposition rates

Plasma Spraying

Plasma Spraying uses ionized gas to create 

a very high temperature heat source.  The 

advantage of plasma spraying is that it is 

capable of creating very dense coatings of 

both low and high melting point materials.  

In addition, a gun extension can be used to 

coat the inner diameter of tubes and pipes.

High Velocity Oxy-Fuel (HVOF)

HVOF processing uses a unique nozzle 

design to create high gas velocity capable 

of exceeding Mach 4.  The HVOF advantage 

is that it is able to make superior coatings 

that possess excellent adhesion and minimal

porosity.

The Fisher Barton Group offers application specific coatings with parameter carefully researched and developed, assuring customers with expert surface engineering!

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Last modified: May 11, 2006