Manufacturing Industry
60-micron hollow glass spheres reduce density in cast aluminum.(METALS/POLYMERS/CERAMICS)
Advanced Materials & Processes, September, 2006
An aluminum matrix composite in which molten aluminum is filled with hollow glass balls measuring a maximum of 60 micrometers during casting has reportedly been developed by researchers at the Fraunhofer Institute for Manufacturing Engineering and Applied Materials Research, Bremen, Germany.
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"If the glass balls are evenly distributed, we get a smooth surface that feels absolutely smooth. If the glass content is unevenly distributed, the material gets a distinctive new appearance, full of streaks," ...
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