 ##  [Surface Microhardness](/index.php/surface-microhardness) 

  ##  [Surface Microhardness](https://health.quantumdictionary.io/surface-microhardness-0) 

  

 [![Health & Life Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Health%20%26%20Life%20Sciences.png.webp?itok=yyyaiQOY)](/index.php/topic-specific-dictionaries/health-life-sciences)



**Health &amp; Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

Localized measurement of a material surface’s resistance to plastic deformation obtained by microindentation (commonly Vickers or Knoop) under a specified load and dwell time, reported as a Vickers Hardness Number (VHN) or equivalent; result depends on indenter geometry, applied load, indentation time and surface preparation.