Hardness Calculation – Knoop Hardness Number

TriboNet

April, 1 2017

See the description of the Knoop Hardness test below.


The following equation is used to calculate Knoop Hardness number (HK):

 HK = 1.451*\frac{F}{D^2} .

For further information see [1].

References

[1] https://www.emcotest.com/en/the-world-of-hardness-testing/hardness-know-how/theory-of-hardness-testing/knoop/knoop-testing-procedure/

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