Research Team in Karlsruhe Announces Process for 3D Printed Glass

Published by , April 25, 2017 12:00 pm

(EurekaAlert)   An interdisciplinary team at the Karlsruhe Institute of Technology (KIT) led by mechanical engineer Dr. Bastian E. Rapp developed a process using glass for additive manufacturing techniques. The scientists mix 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.
The variety of 3D-printing techniques available so far have been used on polymers or metals, but never on glass.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. “The shape initially resembles that of a pound cake; it is still unstable, and therefore the glass is sintered in a final step, i.e. heated so that the glass particles are fused,”

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