Knoop hardness

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Knoop hardness

[′nüp ‚härd·nəs]
(metallurgy)
The relative microhardness of a material, such as metal, determined by the Knoop indentation test.
References in periodicals archive ?
In 2011, ASTM developed a new E384 standard for Vickers hardness testing that combined several testing procedures, including the E92 standard and the formerly separate Knoop hardness test standards.
Our results are shown on the selected examples of KNOOP hardness test.
Knoop hardness test is based on the deterministic relation between the indentation size in the image and the hardness of the tested specimen.