##  [Vickers Hardness Number (VHN)](/index.php/vickers-hardness-number-vhn) 

  ##  [Vickers Hardness Number (VHN)](https://health.quantumdictionary.io/vickers-hardness-number-vhn-0) 

  

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**Health & Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

An indentation hardness value obtained by pressing a diamond square‑pyramid indenter (Vickers) under a specified load into a material and measuring the average diagonal of the residual impression; commonly reported as VHN and calculated from applied load and indent diagonal under standardized conditions to quantify resistance to localized plastic deformation.