Aluminum oxide nanocardboard is strong, yet bendable
Researchers developed a structured nanomaterial that is stiff and light like corrugated cardboard but only tens of nanometers thick. ↓↓More info and references below↓↓
Corrugated cardboard is a classic example of a stiff yet lightweight material. Now researchers have developed a sandwich structure similar to that of corrugated cardboard at the nanoscale. The “nanocardboard,” made from an ultrathin film of aluminum oxide, is more than 10,000 times as stiff as a solid sheet of aluminum oxide with the same mass, and it can recover its shape after repeated bending. The team thinks the material could be used for a variety of aerospace and microrobotic applications.
Read more:
Nanocardboard as a nanoscale analog of hollow sandwich plates | Nature Communications
Metamaterials With Unusual Mechanics | C&EN
A Faster Method for Making Metamaterials | C&EN
“Perspiration” by Blue Dot Sessions is licensed under CC BY-NC 4.0
This video is a production of Chemical & Engineering News (C&EN), the weekly newsmagazine of the American Chemical Society. Contact us at cen_multimedia@!
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