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The AlSn20 coatings on bearing alloy were deposited using magnetron sputtering technology. The influence of tin target current on the microstructure, hardness, corrosion resistance, bonding force and friction coefficient were analyzed. The results show that when the tin target current are in the scope of 0.19A ∼0.25A, with the decreasing of it, the coating changes from rough structure to fine structure...
In order to restrain surface breakdown of dielectric window in HPM (High Power Microwave) devices, experimental research of surface breakdown suppression technology for PTFE is performed under an S-band HPM experimental system in this paper. Different suppression technologies are employed, such as surface polishing, surface notching and surface coating technologies, etc. Experimental results show...
Low work function titanium nitride (TiN) Transfer Mold field emitter arrays (TiN-FEAs) have been fabricated by combining the Transfer Metal Mold fabrication method and the emitter material coating method to realize stable vacuum nanoelectronic devices and aerospace nanodevices for electric propulsion engines in the harsh environment such as strong plasma and radical atmospheres. The average tip radii...
ldquoDevelopment for advanced thermoelectric conversion systemsrdquo supported by the new energy and industrial technology development organization (NEDO) has been successfully completed as one of the Japanese national energy conservation projects. Three types of the cascaded thermoelectric modules operating up to 850 K in high electrode temperature and two types of Bi-Te thermoelectric modules operating...
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