A method for measuring the high temperature emittance of refractory metal surfaces
International Journal of Refractory Metals and Hard Materials（2018）
Abstract
For high temperature applications, such as lighting components or heating elements, the thermal emittance of refractory metals such as tungsten can be improved by altering the surface of the material. Laser structuring or porous sintered coatings have been shown to increase the emittance, which leads to improvements in process stability and component lifetime.
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Key words
Refractory metals,Lighting components,Heating element,High temperature emittance,Surface treatment
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