OCT 02, 2020 9:21 AM PDT

A New Way of Building Houses: 3-D Printing with Clay

WRITTEN BY: Daniel Duan

Our ancestors had a long history of building dwelling structures using clay and plant-based fibrous materials. Even these days, many indigeneous communities are still practising a similar house building technique. 

This is not surprising, because clay, a fine-grained soil-like material rich in aluminum, iron, magnesium, and silicates, is quite abundant across the globe. What's more, in its wet form clay is moldable and ideal for making bricks and tiles. When dried, clay-built structures become compact and rock-like, providing good structural and weight support. 

Scientists at Texas A&M University reported a highly efficient method for building inexpensive houses, using 3-D printing technology and clay-base chemistry kit. Their reaction is based on a cross-linked silicon/oxygen scaffold that binds clay particles. The clay-siloxane matrix turns out to an extrudable material (try picture it as an "ink") for additive 3-D printers. The team hoped that their innovation can help reduce the greenhouse gas emission associated with the usage of coment, and promote an efficient method of building affordable housing units.

This latest research is published in the journal Frontiers in Materials.

Source: C&EN via Youtube

About the Author
  • Graduated with a bachelor degree in Pharmaceutical Science and a master degree in neuropharmacology, Daniel is a radiopharmaceutical and radiobiology expert based in Ottawa, Canada. With years of experience in biomedical R&D, Daniel is very into writing. He is constantly fascinated by what's happening in the world of science. He hopes to capture the public's interest and promote scientific literacy with his trending news articles. The recurring topics in his Chemistry & Physics trending news section include alternative energy, material science, theoretical physics, medical imaging, and green chemistry.
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