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U of Exeter researchers develop “green,” stronger concrete with graphene flakes


By Jesse Schwartz
Published: May 9th, 2018

Researchers at the University of Exeter are developing a “green” concrete that they say is more environmentally friendly and more than twice as strong as the original.

The new concrete features microscopic flakes of graphene, a form of carbon that is one of the strongest materials in the world. With greater strength, less of the concrete will be needed for construction. This is significant, since making cement for concrete accounts for five percent of the greenhouse gas carbon dioxide. It would also open up new design possibilities for architects and builders who work with concrete.

Monica Cracium, a professor of engineering at the University of Exeter and co-developer of the new material, says it is also four times more water resistant than regular concrete, suggesting that it would stand up better over time, especially in flood zones. She says it is also more elastic than ordinary concrete, making it a better choice for buildings in earthquake-prone regions.

According to Cracium, a University of Exeter start-up aimed at selling the new concrete may be launched by the end of the year.

Source: NBC News

Posted under: Tech Transfer e-News

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