New wonder material designed by AI is as light as foam but as strong as steel

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The AI's goal is to create nanomaterials that possess the remarkable strength of carbon steel and the remarkably light weight of styrofoam.

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This can ultimately help decrease the significant amount of greenhouse gas emissions associated with air travel.

In many materials, strength and durability often have a trade-off. For instance, a ceramic dinner plate is usually strong enough to hold heavy loads, but its strength comes at the expense of its resilience - it doesn't take much force to break one.

Related: Scientists have found a groundbreaking way to produce fuel using water and sunlight, however, the process is still in development phase.

The same issue affects nano-engineered materials, which are designed with numerous tiny, repeating building blocks that are 1/100th the width of a human hair, giving them remarkable strength and stiffness for their weight. However, this unique construction can also result in localized stress areas that may lead to unexpected and sudden breakages.

A statement from a Caltech researcher who is an engineering expert was made.

To find new and improved designs for nanomaterials, the researchers first created computer simulations of various layouts before submitting them to a machine learning model. By studying the designs it had produced, the model was able to forecast the most effective shapes that could evenly disperse forces and carry a heavy load.

Researchers used 3D-printed nanolattices that could withstand a stress of 2.03 megapascals for every cubic meter per kilogram, which is five times higher than the strength of titanium.

This is the first time machine learning has been used to improve nano-structured materials and we were really impressed with the results," Serles said. "It not only created designs that worked well like the ones it was trained on, but it also figured out what changes to the shapes were successful and what weren't, allowing it to predict entirely new lattice patterns.

The researchers stated that their next goals are to increase the production of the materials so they can use them for larger parts, as well as to continue developing new and improved designs through their process. The main objective is to design lighter and stronger components for vehicles that can be achieved in the future.

"For instance, if you were to swap out components made of titanium on an airplane with this new material, you could anticipate a yearly fuel savings of around 80 liters for every kilogram of material replaced," Serles stated.