Serration

The serrated edges of tiger shark teeth
A hunting knife with a serrated back edge
Serrated leaves of the stinging nettle, Urtica dioica
A Meyerco bolt action knife, designed by Blackie Collins, and featuring a partially serrated blade.

Serration is a saw-like appearance or a row of sharp or tooth-like projections. A serrated cutting edge has many small points of contact with the material being cut. By having less contact area than a smooth blade or other edge, the applied pressure at each point of contact is greater, and the points of contact are at a sharper angle to the material being cut. This causes a cutting action that involves many small splits in the surface of the material being cut, which cumulatively serve to cut the material along the line of the blade.[1]

  1. ^ Alloway, David (2000). Desert Survival Skills. University of Texas Press. p. 38. ISBN 978-0-292-70492-3.

Serration

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