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People say we're running out of energy. That's only true if we stick with these old 19th century technologies. We are awash in energy from sunlight.

 

Ray Kurzweil

 

Adding Water to Some Solids Can Actually Make Them Stronger

RATE THIS! +22
Posted in Science on 20th Dec, 2014 09:02 PM by AlexMuller

Adding drops of humble old water into solid materials can actually increase their strength and changes their other properties in interesting and useful ways. Researchers from Yale have discovered that adding droplets of water into some solids can strengthen and stiffen them, by virtue of their surface tension.

 

The force is often observed in fluids, and its role is typically to reduce the surfaces area of the material. Embedding small droplets of water, each around a micron in size, into solids means they can make use of this force. It's a kind of restoring force, always attempting to keep the droplets as small as possible so in turn resisting extension, and stiffening the lump of water-infused material. 

 

So far, the team have shown that it works with silicone, making it up to 30 per cent stronger by adding water droplets. Obviously it still needs to be done with other materials, but this is certainly a neat and affordable method for tweak material properties.

Tags: watermaterialsmaterial scienceliquidphysics

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Comments

Author: Guest
Posted: 2014-12-21
+1
Good news for developing better materials with just adding water - something that people didn't expect Reply


 

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