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Article Dans Une Revue Applied Acoustics Année : 2020

Cutting edge technology: sound sharpens the blade

Résumé

Constantly sharp knives have applications in industrial cutting, clean shaving, and precision surgery. With the purpose of increasing blade sharpness, an ultrasonic knife was built, operating at 134-kHz continuous ultrasound with an average temperature increase of 0.4$^\circ$C at the blade. The sharpness of the incisions made to a sheet of plain printer paper with a blunted blade under sonication were compared to those of the same blade without sonication and to industrially cut paper edges. The incisions from the sonicated blade were visibly sharper than those from the unsonicated blade, and at least as sharp as those from the industrially cut paper edge.
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hal-03192706 , version 1 (12-04-2021)

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Craig Stuart Carlson, Antje Pohl, David Keir, Michiel Postema. Cutting edge technology: sound sharpens the blade. Applied Acoustics, 2020, 166, pp.107336. ⟨10.1016/j.apacoust.2020.107336⟩. ⟨hal-03192706⟩
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