May 252012
 
Bulk metallic glass sample

For use in next-generation computer storage devices and disposable medical and chemical test kits

 
A new manufacturing technology allows researchers to mass produce components for use in next-generation computer storage devices and disposable medical and chemical test kits.

Researchers in Ireland have developed a new technology using materials called bulk metallic glasses to produce high-precision molds for making tiny plastic components. The components, with detailed microscopically patterned surfaces could be used in the next generation of computer memory devices and microscale testing kits and chemical reactors.

In their article published in the latest edition of the open access journal Materials Today, Michael Gilchrist, David Browne and colleagues at University College Dublin explain how bulk metallic glasses (BMGs) were discovered about thirty years ago. These materials are a type of metal alloy, but instead of having a regular, crystalline structure like an everyday metal such as iron or an alloy like bronze, the material’s atoms are arranged haphazardly. This disordered, or amorphous atomic structure is similar to the amorphous structure of the silicon and oxygen atoms in the glass we use for windows and drinking vessels.

Read more . . .

via Science Daily

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