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  2. Hardnesses of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Hardnesses_of_the_elements...

    Mohs hardness [1] Vickers hardness ... cobalt: 5.0: 1043: 470–3000: 1291 28: Ni: nickel: 4.0: 638: ... Vickers hardness test; Brinell scale This page was last ...

  3. Hardness comparison - Wikipedia

    en.wikipedia.org/wiki/Hardness_comparison

    Hardness Conversion Table – Brinell, Rockwell,Vickers – Various steels . (Archived) (archived November 11, 2011) Rockwell to Brinell conversion chart (Brinell, Rockwell A,B,C)

  4. List of blade materials - Wikipedia

    en.wikipedia.org/wiki/List_of_blade_materials

    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.

  5. Mohs scale - Wikipedia

    en.wikipedia.org/wiki/Mohs_scale

    Some solid substances that are not minerals have been assigned a hardness on the Mohs scale. Hardness may be difficult to determine, or may be misleading or meaningless, if a material is a mixture of two or more substances; for example, some sources have assigned a Mohs hardness of 6 or 7 to granite but it is a rock made of several minerals ...

  6. Rockwell hardness test - Wikipedia

    en.wikipedia.org/wiki/Rockwell_hardness_test

    The Rockwell hardness test is a hardness test based on indentation hardness of a material. The Rockwell test measures the depth of penetration of an indenter under a large load (major load) compared to the penetration made by a preload (minor load). [1] There are different scales, denoted by a single letter, that use different loads or indenters.

  7. Hardness scales - Wikipedia

    en.wikipedia.org/wiki/Hardness_scales

    Hardness scales may refer to: Methods of measuring mineral hardness. Scratch hardness. The Mohs scale of mineral hardness; The Vickers hardness test;

  8. Hardness - Wikipedia

    en.wikipedia.org/wiki/Hardness

    Two scales that measures rebound hardness are the Leeb rebound hardness test and Bennett hardness scale. Ultrasonic Contact Impedance (UCI) method determines hardness by measuring the frequency of an oscillating rod. The rod consists of a metal shaft with vibrating element and a pyramid-shaped diamond mounted on one end. [4]

  9. Elastic properties of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Elastic_properties_of_the...

    Elastic properties describe the reversible deformation (elastic response) of a material to an applied stress.They are a subset of the material properties that provide a quantitative description of the characteristics of a material, like its strength.