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By A.J. Roan
For Metal Tech News 

Scientists engineer uncuttable Proteus

Aluminum jelly-ceramic material resists grinders, water jets Metal Tech News Weekly Edition – July 29, 2020


Last updated 7/10/2022 at 2:43pm

Grinder wheel wear indestructible Proteus aluminum ceramic

Durham University

An angle grinder wheel quickly cuts through steel encasing Proteus but runs into trouble as vibrations created by the Proteus ceramic spheres rapidly wears out the grinding disc.

An international research team from Europe, taking inspiration from nature, have devised a new aluminum-based material that turns the force of a cutting tool back onto itself.

This new lightweight material - named Proteus, after the shape-changing god in mythology - is made of ceramic spheres encased in a cellular aluminum structure, that in tests could not be cut by angle grinders, drills and...

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