Sustainable ceramics without a kiln

Read the full story at Phys.org.

The manufacture of cement, bricks, bathroom tiles and porcelain crockery normally requires a great deal of heat: a kiln is used to fire the ceramic materials at temperatures well in excess of 1,000°C. Now, material scientists from ETH Zurich have developed what seems at first glance to be an astonishingly simple method of manufacture that works at room temperature. The scientists used a calcium carbonate nanopowder as the starting material and instead of firing it, they added a small amount of water and then compacted it.

Full research article: Bouville F, Studart AR: Geologically-inspired strong bulk ceramics made with water at room temperature. Nature Communications, 28 February 2017, DOI: 10.1038/ncomms14655

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