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'Proteus' is world's first uncuttable material


Posted on Wednesday, 22 July, 2020 | Comment icon 16 comments

An angle grinder is useless against the new material. Image Credit: CC BY 4.0 Lacholazarovphotos
Scientists have developed a lightweight material that is said to be impervious to all forms of cutting.
Developed by researchers at England's Durham University and Germany's Fraunhofer Institute, this novel new material has only 15% the density of steel yet is impervious to cutting tools.

It is comprised of a special aluminium matrix embedded with ceramic spheres which together serve to turn any cutting tool back against itself, dulling the blade or drill bit and rendering it useless.

The way this works is that when the cutting blade penetrates the material, the resonance produced by it hitting the ceramics causes it to start bouncing, which damages and dulls the blade.

Even if the ceramic does get cut in to, the fine dust produced fills in the gap, making the material even harder for the tool to penetrate.
"The force and energy of the disc or the drill is turned back on itself, and it is weakened and destroyed by its own attack," said Stefan Szyniszewski from Durham University.

"Essentially cutting our material is like cutting through a jelly filled with nuggets."

It is hoped that the new material could prove invaluable in a number of fields and would be ideal for creating uncuttable locks as well as protective equipment for tool operators.

Source: Techpost | Comments (16)


Tags: Proteus


Recent comments on this story
Comment icon #7 Posted by seanjo on 22 July, 2020, 17:58
I bet I could cut it with a hacksaw...
Comment icon #8 Posted by Taun on 22 July, 2020, 19:52
Worlds first uncuttable substance? I thought that was my exes meat loaf....
Comment icon #9 Posted by Hammerclaw on 22 July, 2020, 19:53
I put these sorts of claims in the "bullet proof glass", "unbreakable lock", "fireproof" category.
Comment icon #10 Posted by DieChecker on 22 July, 2020, 22:53
Id agree... cut resistant is the better term. And i suspect it probably would cut with a torch even faster then plain aluminum, since theres less aluminum and the ceramic spheres wouldnt prevent melting.
Comment icon #11 Posted by thelion318 on 22 July, 2020, 22:56
When I was a kid I broke an unbreakable comb at the barbershop. Where can I get this stuff?  
Comment icon #12 Posted by DreadLordAvatar on 23 July, 2020, 1:10
This could be a result of reverse engineering materials collected by the military at the Roswell crash.
Comment icon #13 Posted by DieChecker on 23 July, 2020, 5:54
Meh, there have been metal and ceramic alloys around since since i was in college 30 years ago. It was just a matter of time before someone thought to pack tiny ceramic spheres in an aluminum matrix.
Comment icon #14 Posted by Nuclear Wessel on 23 July, 2020, 10:35
I prefer to give ourselves a little more credit than that...
Comment icon #15 Posted by Twin on 25 July, 2020, 23:58
I'm thinking a water jet saw would walk right through.
Comment icon #16 Posted by quiXilver on 1 August, 2020, 15:26
My first thought too.   I've seen one of those in action.  Unreal cutting force!


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