Japan’s hard-to-steel glass phone may never be afraid of falling again.

The University of Tokyo in Japan and the research team of the Japan Synchrotron Radiation Facility Institute have collaborated to create a glass that is harder than many metals.

This is useful when the glass falls off the ground or is not broken when it is hit. This is especially true from cars to skyscrapers to smartphones and tablets. To produce such a glass, scientists need to find ways to make it more optimized than traditional methods. One method is to add a large amount of alumina to the mixed material, which previous studies have shown to be more robust than conventional glass.

However, such a problem arises in the production process - when more aluminum is added to the mixed material for producing glass, the surface of the container containing the mixture generates silicon oxide crystals, which makes it easy to lose the value of the final glass product.

According to a report by the Physicist Organization Network, Japanese researchers have found a way to circumvent this contradiction - they removed containers for materials from the production process.

Pneumatic suspension is the key to the new production process. In the new glass production process, the researchers used oxygen to push the mixed material down and hold it in the air, then mix the material thoroughly with a laser “shovel”. The end result is that more aluminum can be added to the glass than any other method. The new glass is transparent, colorless and extremely hard. Tests have shown that new glass is harder than many metals, almost as much as steel.

Imagine if your phone screen uses this type of glass, you will never worry about breaking the screen. But now it is still difficult to mass-produce the screen of broken mobile phones. The team can't scale the new method, but they are confident in commercialization as soon as possible.

Related research results were published in the journal Science today.

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