Overhead presentation. Cold spraying is a new thermal spray technology, compared with other thermal spray techniques, here particles are not melted prior to impact. Thus the physical and chemical properties of the mainly metallic coatings are close to source materials. In cold spraying, inside a hot gas jet powder particles are accelerated to supersonic velocities and impact in solid state onto a substrate. The particles are injected into the gas jet so that they are barely heated. Because of high kinetic energy: particles are heavily deformed and bonded, dense and good adhering coatings are formed. Cold spraying can be applied in aerospace technique for coating, repairing and spray forming.
COLD GAS Spraying. Innovative production and repairing processes for the aerospace industry
2009
29 Seiten, 26 Bilder
Conference paper
Storage medium
English
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