Glossary

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Thermal Spray

A technique used to coat an object or surface by melting a coating material and spraying it at a high velocity onto a surface. There are many thermal spraying techniques that utilize hydrogen gas in various ways. Hydrogen is often used in thermal spray atmosphere processes because hydrogen produces high heat, has a low oxidation value and can sustain high particle velocities. Hydrogen gas can also be used as a propellant in thermal sprays.