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Electro-Spark
Alloying: Technology Overview and Applications
Electro-Spark
Alloying (ESA)
 The
ESA process produces an electric arc through a moving electrode
energized by a series of capacitors as it is short-circuited
momentarily with the base material. During the generation
of the arc, small particles of the electrode material are
melted, accelerated through the arc, impacted against the
base metal substrate, solidified rapidly, and built-up incrementally.
Robotic
ESA system developed for U.S. Navy
- micro
arc-welding process
- produces
consistent, thin layers for coatings
- ability
to repair (overlay) damages substrates
- true
metallurgical bond with substrate
- substrate
remains at/near room temperature
- produces
higher surface hardness than competitive technologies
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Click on a link below to see a video
demonstration of Electro-Spark Alloying
Need
Real Player or Windows Media Player? Click below:
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