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- Serration abstract "Serration generally refers to 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.In nature, serration is commonly seen in the cutting edge on the teeth of some species, usually sharks. However, it also appears on non-cutting surfaces, for example in botany where a toothed leaf margin or other plant part, such as the edge of a carnation petal, is described as being serrated. Possibly a serrated leaf edge reduces the force of wind and other natural elements. Probably the largest serrations on Earth occur on the skylines of mountains (the Spanish word sierra, as in Sierra Nevada, means a saw). These occur both due to the uneven action of landform edges pushing rock upwards, and the uneven action of erosion.Human uses of serration have copied, and gone beyond, those found in nature. For example, the teeth on a saw or other serrated blade serves a similar cutting or scraping purpose as the serration of an animal tooth. Tailors use pinking shears to cut cloth so there's a serrated edge, which, somewhat counterintuitively, reduces fraying (a serrated edge on any amorphous sheet material tends to tear slightly more easily than a smooth edge.) And a sort of serration is also found in airframe shapes used in certain stealth aircraft, which use the jaggedness of the serrated edge to confuse radar signals. Screw threads show serration in profile, although they are usually shown in abbreviated or symbolic fashion on mechanical drawings to save time and ink. Brogue shoes are made with serrated edges on the leather pieces, for no known purpose at all other than style.".
- Serration thumbnail Tiger_shark_serration.jpg?width=300.
- Serration wikiPageID "1344508".
- Serration wikiPageLength "3146".
- Serration wikiPageOutDegree "17".
- Serration wikiPageRevisionID "707485582".
- Serration wikiPageWikiLink Brogue_shoe.
- Serration wikiPageWikiLink Category:Cutting_tools.
- Serration wikiPageWikiLink Clamp_(tool).
- Serration wikiPageWikiLink Contact_area.
- Serration wikiPageWikiLink Dianthus_caryophyllus.
- Serration wikiPageWikiLink Erosion.
- Serration wikiPageWikiLink Leaf.
- Serration wikiPageWikiLink Pinking_shears.
- Serration wikiPageWikiLink Saw.
- Serration wikiPageWikiLink Serrated_blade.
- Serration wikiPageWikiLink Shark_tooth.
- Serration wikiPageWikiLink Stealth_aircraft.
- Serration wikiPageWikiLink Tooth.
- Serration wikiPageWikiLink File:Knife_(3263343357).png.
- Serration wikiPageWikiLink File:Ortie.jpg.
- Serration wikiPageWikiLink File:Tiger_shark_serration.jpg.
- Serration wikiPageWikiLinkText "Serration".
- Serration wikiPageWikiLinkText "denticles".
- Serration wikiPageWikiLinkText "frilled".
- Serration wikiPageWikiLinkText "jagged-edge".
- Serration wikiPageWikiLinkText "sawtooth".
- Serration wikiPageWikiLinkText "sawtooth-shaped".
- Serration wikiPageWikiLinkText "serrated edge".
- Serration wikiPageWikiLinkText "serrated".
- Serration wikiPageWikiLinkText "serration".
- Serration wikiPageWikiLinkText "serrations".
- Serration wikiPageUsesTemplate Template:For.
- Serration wikiPageUsesTemplate Template:Reflist.
- Serration wikiPageUsesTemplate Template:Wiktionary.
- Serration subject Category:Cutting_tools.
- Serration type Tool.
- Serration comment "Serration generally refers to 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.".
- Serration label "Serration".
- Serration sameAs Q7455385.
- Serration sameAs Dentelure.
- Serration sameAs Q7455385.
- Serration wasDerivedFrom Serration?oldid=707485582.
- Serration depiction Tiger_shark_serration.jpg.
- Serration isPrimaryTopicOf Serration.