Administration of the project
Hardness Calculation – Knoop Hardness Number
See the description of the Knoop Hardness test below.
The following equation is used to calculate Knoop Hardness number (HK):
.
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/