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Supernucleating multiscale copper surfaces for high performance phase change heat transfer
Supernucleating multiscale copper surfaces for high performance phase change heat transfer
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机译：超核多尺度铜表面可实现高性能的相变传热
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摘要
A method is provided for forming a biphilic surface on a substrate comprising copper, such as a heat exchanger surface, wherein the method involves forming one or more hydrophilic areas on the surface by reacting those areas with at least one of hydrogen peroxide and ammonium hydroxide to form copper oxide and forming hydrophobic areas on the surface by reacting those areas with ammonium hydroxide solution to form copper hydroxide or by chemical etching with a combination of hydrochloric acid, hydrogen peroxide, and iron chloride. The functional surface can exhibit temporal biphilicity in response to one or more stimuli in high performance heat transfer applications.
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