Linde Gas say that their newly developed technology is making coating a variety of materials a lot more efficient.
They say the company and several partners are taking cold spray technology to another level, with a high-pressure gas delivery system that allows powders to be sprayed using nitrogen at temperatures that do not melt the powder particles.
Cold spray enables manufacturers to achieve better coating results than with traditional thermal spray technologies, such as plasma or flame spraying. But cold spray has long relied on costly and scarce helium to propel the powdered coating material onto surfaces.
Now, Linde has designed a turn-key, high-pressure gas delivery system capable of delivering pressures far above the 50 bar required to use nitrogen in the cold spray process.
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