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  2. Skiving (metalworking) - Wikipedia

    en.wikipedia.org/wiki/Skiving_(metalworking)

    Skiving or scarfing is the process of cutting material off in slices, usually metal, but also leather or laminates. Skiving can be used instead of rolling the material to shape when the material must not be work hardened, or must not shed minute slivers of metal later which is common in cold rolling processes. It can also be used to create fins ...

  3. Alkali metal - Wikipedia

    en.wikipedia.org/wiki/Alkali_metal

    Lithium, the lightest of the alkali metals, is the only alkali metal which reacts with nitrogen at standard conditions, and its nitride is the only stable alkali metal nitride. Nitrogen is an unreactive gas because breaking the strong triple bond in the dinitrogen molecule (N 2 ) requires a lot of energy.

  4. Electrochemical machining - Wikipedia

    en.wikipedia.org/wiki/Electrochemical_machining

    Typical currents range from 0.1 amp per square mm to 5 amps per square mm. Thus, for a small plunge cut of a 1 by 1 mm tool with a slow cut, only 0.1 amps would be needed. However, for a higher feed rate over a larger area, more current would be used, just like any machining process—removing more material faster takes more power.

  5. Wikipedia:Good topics/Alkali metals - Wikipedia

    en.wikipedia.org/.../Alkali_metals

    The alkali metals (lithium, sodium, potassium, rubidium, caesium, and francium) are the most homogeneous column of elements in the periodic table, exhibiting very clear periodic trends. All of them are soft and extremely reactive metals, readily giving up their sole valence electron to form cations.

  6. Coulomb explosion - Wikipedia

    en.wikipedia.org/wiki/Coulomb_explosion

    A Coulomb explosion is a "cold" alternative to the dominant laser etching technique of thermal ablation, which depends on local heating, melting, and vaporization of molecules and atoms using less-intense beams.

  7. Rieke metal - Wikipedia

    en.wikipedia.org/wiki/Rieke_metal

    Rieke metals are usually prepared by a reduction of an anhydrous metal chloride with an alkali metal, in a suitable solvent. [4] [3] For example, Rieke magnesium can be prepared from magnesium chloride with potassium as the reductant: [5] [6] [4] MgCl 2 + 2 K → Mg + 2 KCl. Rieke originally described three general procedures:

  8. Underwater cutting and welding - Wikipedia

    en.wikipedia.org/wiki/Underwater_cutting_and_welding

    Shielded metal arc cutting cuts the metal by melting it with the intense heat of the arc, without burning it with oxygen, which works better for carbon steel plate less than 6mm thick and for non-ferrous and corrosion resistant metals of any thickness. [1]: Ch. 1 Underwater shielded metal arc cutting is a simple process.

  9. Knife making - Wikipedia

    en.wikipedia.org/wiki/Knife_making

    In a mass production environment, or in a well equipped private shop, the blanking process is used to make "blade blanks." This can be achieved by a number of different methods, depending upon the thickness of the material and the alloy content of steel to be cut. Thinner cross section, lower alloy blanks can be stamped from sheet material.

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