this post was submitted on 23 Dec 2024
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Danger Dust - What Else?

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Cracked Piece of Metal Self-Healed in Experiment That Stunned Scientists (www.sciencealert.com)
submitted 8 months ago by Bampot@lemmy.world to c/dangerdust@lemmy.world
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File this under 'That's not supposed to happen!'. In an experiment, scientists observed a metal healing itself. If this process can be fully understood and controlled, we could be at the start of a whole new era of engineering.

Cracks caused by the kind of strain described above are known as fatigue damage: repeated stress and motion that causes microscopic breaks, eventually causing machines or structures to break.

Amazingly, after about 40 minutes of observation, the crack in the platinum started to fuse back together and mend itself before starting again in a different direction.

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