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Japanese swordsmithing. Japanese swordsmithing is the labour-intensive bladesmithing process developed in Japan beginning in the sixth century for forging traditionally made bladed weapons (nihonto) [ 1 ][ 2 ] including katana, wakizashi, tantō, yari, naginata, nagamaki, tachi, nodachi, ōdachi, kodachi, and ya (arrow).
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.
Katana, showing the hamon as the outline of the yakiba. The nioi appears faintly as the bright line following the hamon; especially visible at the tip (kissaki). In swordsmithing, hamon (刃文) (from Japanese, literally "edge pattern") is a visible effect created on the blade by the hardening process.
Tokyo National Museum. A katana (刀, かたな) is a Japanese sword characterized by a curved, single-edged blade with a circular or squared guard and long grip to accommodate two hands. Developed later than the tachi, it was used by samurai in feudal Japan and worn with the edge facing upward.
A diagram of a katana and koshirae with components identified. Fuchi (縁): The fuchi is a hilt collar between the tsuka and the tsuba.; Habaki (鎺): The habaki is a wedge-shaped metal collar used to keep the sword from falling out of the saya and to support the fittings below; fitted at the ha-machi and mune-machi which precede the nakago.
Japanese sword. Japanese swords. Two tachi with full mountings (middle and bottom right), a sword with a Shirasaya -style tsuka (top right), a wakizashi (top left), and various tsuba (bottom left). A Japanese sword (Japanese: 日本刀, Hepburn: nihontō) is one of several types of traditionally made swords from Japan.
The blade length is 225.43 cm (88.75 in) and the tang is 92.41 cm (36.38 in). The ōdachi (大太刀) (large/great sword) or nodachi (野太刀, field sword)[4][5][6] is a type of traditionally made Japanese sword (日本刀, nihontō)[7][8] used by the samurai class of feudal Japan. The Chinese equivalent of this type of sword in terms of ...
It is a foot-operated blower called a tembin fuigo (天秤鞴), which can blow a large amount of air into the furnace to increase the temperature. As a result, high quality steel can be produced in large quantities. [2][3][4][5] By 1920, Tatara Furnaces were no longer economically viable and they closed once the Western blast furnace was ...