Parts of aircraft engines. An unexpected advance. Was just introduced to advanced ceramics uses in engines.
" .... HRL’s trick is to formulate special resins that can be used as the ink in a printer. They are made out of polymers but carry in their molecular structure silicon and other elements found in ceramics. These resins are loaded into 3-D printers to make parts with baroque shapes, such as corkscrews and sheets of intricate lattices. Then those parts go into a furnace to bake out the organic polymer components, leaving behind ceramic material. ... "
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