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  2. Knife making - Wikipedia

    en.wikipedia.org/wiki/Knife_making

    Knife making is the process of manufacturing a knife by any one or a combination of processes: stock removal, forging to shape, welded lamination or investment cast. [1] Typical metals used come from the carbon steel , tool , or stainless steel families.

  3. Electric arc furnace - Wikipedia

    en.wikipedia.org/wiki/Electric_arc_furnace

    An electric arc furnace (EAF) is a furnace that heats material by means of an electric arc. Industrial arc furnaces range in size from small units of approximately one-tonne capacity (used in foundries for producing cast iron products) up to about 400-tonne units used for secondary steelmaking .

  4. Electric furnace - Wikipedia

    en.wikipedia.org/wiki/Electric_furnace

    An electric furnace; A central heating plant for a home or building; An electric arc furnace used for steel making and smelting of certain ores; An industrial heat treating furnace; An electrically heated kiln; An induction furnace used for preparation of special alloys; A modern muffle furnace

  5. Induction hardening - Wikipedia

    en.wikipedia.org/wiki/Induction_hardening

    Induction heating is a non contact heating process which uses the principle of electromagnetic induction to produce heat inside the surface layer of a work-piece. By placing a conductive material into a strong alternating magnetic field, electric current can be made to flow in the material thereby creating heat due to the I 2 R losses in the material.

  6. Heat treating - Wikipedia

    en.wikipedia.org/wiki/Heat_treating

    Heat treating furnace at 1,800 °F (980 °C) Heat treating (or heat treatment) is a group of industrial, thermal and metalworking processes used to alter the physical, and sometimes chemical, properties of a material. The most common application is metallurgical.

  7. Stassano furnace - Wikipedia

    en.wikipedia.org/wiki/Stassano_furnace

    Here he carried out his first experiments to obtain steel from iron ores using a small shaft furnace equipped with two electrodes capable of heating the minerals thanks to a 95 kW indirect arc. In the same year, in Darfo (BS), he carried out other tests on a similar furnace, equipped with three electrodes working at 370 kW. [2]

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