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In materials science and metallurgy, toughness is the ability of a material to absorb energy and plastically deform without fracturing.<ref name=NDT>"Toughness", NDT Education Resource Center, Brian Larson, Editor, 2001-2011, The Collaboration for NDT Education, Iowa State University</ref> One definition of material toughness is the amount of energy per unit volume that a material can absorb before rupturing. It is also defined as a material's resistance to fracture when stressed.

Toughness requires a balance of strength and ductility.<ref name=NDT/>


Toughness sections
Intro  Mathematical definition  Toughness tests  Unit of toughness  Toughness and strength  See also  References  

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