Encyclopedic Dictionary of Polymers

2011 Edition
| Editors: Jan W. Gooch

Knoop Hardness Number, KHN

  • Jan W. Gooch
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_6692
n The indentation hardness determined with a Knoop indenter, and calculated as follows:
$${\rm KHN} = {{\rm L} \over {{\rm Ap}}} = {{\rm L} \over {{\rm 1}^{\rm 2} {\rm Cp}}}$$
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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jan W. Gooch
    • 1
  1. 1.AtlantaUSA