A team of engineers has developed a process by which it is now possible to 3D print complex forms of glass.<\/p>\n
\nThe scientists at the Germany-based Karlsruhe Institute of Technology (KIT) mixed nanoparticles of high-purity quartz glass and a small quantity of liquid polymer and allow this mixture to be cured by light at specific points by means of stereolithography.<\/p>\n
The material, which has remained liquid, is washed out in a solvent bath, leaving only the desired cured structure. The polymer still mixed in this glass structure is subsequently removed by heating.<\/p>\n
“The shape initially resembles that of a pound cake; it is still unstable, and therefore the glass is sintered in a final step, that is, heated so that the glass particles are fused,” said Bastian E. Rapp from KIT Institute of Microstructure Technology.<\/p>\n
The scientists presented the method in the journal Nature.<\/p>\n
“We present a new method, an innovation in materials processing, in which the material of the piece manufactured is high-purity quartz glass with the respective chemical and physical properties,” added Rapp.<\/p>\n
The glass structures made by the KIT scientists show resolutions in the range of a few micrometers — one micrometer corresponding to one thousandth of a millimeter.<\/p>\n
3D-formed glass can be used in data technology.\u2014IANS<\/p>\n
Image: Alamy<\/p>\n","protected":false},"excerpt":{"rendered":"
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