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Stainless steel strengthened: Twisting creates submicron 'anti-crash wall'

(techxplore.com)
102 points wglb | 1 comments | 17 Apr 25 14:28 UTC | HN request time: 0.204s | source
1. ajuc ◴[17 Apr 25 18:46 UTC] No.43720677[source]▶
Some medieval swords were made in a similar way (twisting and re-flattening the billet many times).