نتایج جستجو برای: high temperature solid bridge
تعداد نتایج: 2560978 فیلتر نتایج به سال:
We demonstrate measurement and control of nanoscale single-asperity friction by using cantilever probes featuring an in situ solid-state heater in contact with silicon oxide substrates. The heater temperature was varied between 25 and 790 °C. By using a low thermal conductivity sample, silicon oxide, we are able to vary tip temperatures over a broad range from 25 ± 2 to 255 ± 25 °C. In ambient ...
An energetic micro-initiator through integrating Al/Ni nano-multilayers with Cu film bridge was investigated in this study. The Cu film bridge was initially fabricated with wet etching, and Al/Ni nano-multilayers were alternately deposited on the surface of Cu film bridge by magnetron sputtering. The periodic layer structure of Al/Ni nano-multilayers was verified by scanning electron microscopy...
A unique and potentially useful fluid configuration which is possible in zero gravity is the liquid cylinder. One example is floating-zone crystal growth which, in zero gravity, involves a cylindrical melt bridging two solid cylinders. In low gravity, when the length of a cylindrical liquid bridge exceeds it's circumference, the bridge becomes unstable and breaks. A liquid bridge of length L an...
higher solid contents (20 % and 40 %) nanocomposites of poly (styrene-co-butyl acrylate) including higher content of cloisite 30b (7 wt% and 10 wt %) were prepared via miniemulsion polymerization. stability of the final latexes proved outstanding combination of polymerization procedure and surfactants. morphological studies revealed by tem, sax and xrd showed three structures of core-shell, arm...
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