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  2. Chiappa Rhino - Wikipedia

    en.wikipedia.org/wiki/Chiappa_Rhino

    The Chiappa Rhino is a series of revolvers produced by Italian manufacturer Chiappa Firearms. The Rhino's frames are CNC -machined from a solid block of high-tensile aluminium alloy and all internal parts are CNC-machined from steel .

  3. Hepatizon - Wikipedia

    en.wikipedia.org/wiki/Hepatizon

    Hepatizon (Greek etymology: ἧπαρ, English translation: "liver"), also known as black Corinthian bronze, was a highly valuable metal alloy in classical antiquity.It is thought to be an alloy of copper with the addition of a small proportion of gold and silver (perhaps as little as 8% of each), mixed and treated to produce a material with a dark purplish patina, similar to the colour of liver.

  4. Superhard material - Wikipedia

    en.wikipedia.org/wiki/Superhard_material

    A superhard material is not necessarily "supertough". For example, the fracture toughness of diamond is about 7–10 MPa·m 1/2, [16] [17] which is high compared to other gemstones and ceramic materials, but poor compared to many metals and alloys – common steels and aluminium alloys have the toughness values at least 5 times higher. [18]

  5. List of named alloys - Wikipedia

    en.wikipedia.org/wiki/List_of_named_alloys

    This is a list of named alloys grouped alphabetically by the metal with the highest percentage. Within these headings, the alloys are also grouped alphabetically. Within these headings, the alloys are also grouped alphabetically.

  6. Superalloy - Wikipedia

    en.wikipedia.org/wiki/Superalloy

    A superalloy, or high-performance alloy, is an alloy with the ability to operate at a high fraction of its melting point. [1] Key characteristics of a superalloy include mechanical strength , thermal creep deformation resistance, surface stability, and corrosion and oxidation resistance.

  7. Cementite - Wikipedia

    en.wikipedia.org/wiki/Cementite

    It is a hard, brittle material, [4] normally classified as a ceramic in its pure form, and is a frequently found and important constituent in ferrous metallurgy. While cementite is present in most steels [ 5 ] and cast irons, it is produced as a raw material in the iron carbide process, which belongs to the family of alternative ironmaking ...