This paper demonstrates the capabilities of a new thermal spray process based on cold gas spraying and detonation gun technology. The method, called high-frequency pulse detonation, uses combustion pulses to heat powders to a temperature that allows good substrate-layer adhesion without the powder being melted. Superalloy, copper, and steel layers so produced are examined and compared with layers deposited by conventional thermal and cold spray processes. Paper includes a German-language abstract.
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Issue Section:Emerging Thermal Spray Processes