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A variety of blade materials can be used to make the blade of a knife or other simple edged hand tool or weapon, such as a sickle, hatchet, or sword. The most common blade materials are carbon steel, stainless steel, tool steel, and alloy steel. Less common materials in blades include cobalt and titanium alloys, ceramic, obsidian, and plastic.
The hardness of steel is usually stated as a number on the Rockwell C scale (HRC). The Rockwell scale is a hardness scale based on the resistance to indentation a material has. This differs from other scales such as the Mohs scale (scratch resistance testing), which is used in mineralogy. As hardness increases, the blade becomes more capable of taking and holding an edge but is more difficult to sharpen and increasingly more brittle (commonly called less "tough").[citation needed] Laminating harder steel between softer steel is an expensive process, though it gives the benefits of both "hard" and "soft" steels to some extent (see San mai and Damascus steel).
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sword. The most common bladematerials are carbon steel, stainless steel, tool steel, and alloy steel. Less common materials in blades include cobalt and...
A blade is the sharp, cutting portion of a tool, weapon, or machine, specifically designed to puncture, chop, slice, or scrape surfaces or materials. Blades...
surface of the material being cut, which cumulatively serve to cut the material along the line of the blade. Cuts made with a serrated blade are typically...
steel blades are unusable (the blades would be drawn to the magnets and would also cause image artifacts). Historically, the preferred material for surgical...
A utility knife is any type of knife used for general manual work purposes. Such knives were originally fixed-blade knives with durable cutting edges...
Fixed-Blade- Fixed-blade versus a folding knife is both personal and practical. If the game you hunt is large and the terrain more rugged, a fixed blade knife...
closed, the blade rests between the layers. For a channel constructed balisong, the main part of each handle is formed from one piece ofmaterial. In this...
turbine blades are often the limiting component of gas turbines. To survive in this difficult environment, turbine blades often use exotic materials like...
not necessarily have a folding blade, but might resemble a scalpel or chisel by having a short, fixed blade at the end of a long handle.[citation needed]...
butchering or dressing of animal carcasses. Today, the butcher knife is used throughout the world in the meat processing trade. The heftier blade works well for...
dagger with a long slender blade and needle-like point, primarily intended as a thrusting and stabbing weapon. The stiletto blade's narrow cross-section and...
(Arabic: شبرية shibriyyah) in the Levant, is a specific type of dagger with a short curved blade with a medial ridge that originated from Yemen. They have...
is a razor with a blade that can fold into its handle. They are also called open razors and cut-throat razors. The predecessors of the modern straight...
style of knife blade that slopes on the spine of the blade from the handle of the knife to the tip of the blade. This allows the spine of the blade (where...
knife, flick knife, gravity knife, flick blade, or spring knife) is a pocketknife with a sliding or pivoting blade contained in the handle which is extended...
foods. The device consists of two serrated blades that are clipped together. When the appliance is switched on, the blades continuously move lengthways...
is a heavy dagger with a 12-to-20-inch (30 to 51 cm) pointed, straight blade. The knife can be used for thrusting and slashing. James Black, known for...
the seax is a charge consisting of a curved sword with a notched blade, appearing, for example, in the coats of arms of Essex and the former Middlesex...
a rectangular-bladed hatchet. It is largely used as a kitchen or butcher knife and is mostly intended for splitting up large pieces of soft bones and...
retention, corrosion resistance, and achievable sharpness. Some examples ofbladematerial and their relative trade offs: The newest powder metallurgy steels...
self-defense instructors for designs and innovated the usage of 20 different bladematerials. As of 2023 a large building expansion was under way. Many new...
workers of stone and masonry. The blade is made of soft iron and is left unsharpened because the edges are used to smash relatively soft materials such as...
long-bladed thrusting dagger. Historically, it gained its name from the Highland dirk (Scottish Gaelic dearg) where it was a personal weapon of officers...
(/ˌmɛtsəˈluːnə/, Italian: [ˌmɛddzaˈluːna]) is a knife consisting of one or more curved blades with a handle on each end, which is rocked back and forth chopping...
boning knife is a type of kitchen knife with a sharp point and a narrow blade. It is used in food preparation for removing the bones of poultry, meat, and...
a penknife, though a penknife may also be a specific kind of pocketknife. A typical blade length is 5 to 15 centimetres (2 to 6 in). Pocketknives are...
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