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Toughness

This article is about toughness of physical objects. For the mathematical concept in graph theory, see Graph toughness.

Toughness as defined by the area under the stress–strain curve for one unit volume of the material.

In materials science and metallurgy, toughness is the ability of a material to absorb energy and plastically deform without fracturing.[1] Toughness is the strength with which the material opposes rupture. One definition of material toughness is the amount of energy per unit volume that a material can absorb before rupturing. This measure of toughness is different from that used for fracture toughness, which describes the capacity of materials to resist fracture.[2] Toughness requires a balance of strength and ductility.[1]

  1. ^ a b "Toughness", NDT Education Resource Center, Brian Larson, editor, 2001–2011, The Collaboration for NDT Education, Iowa State University
  2. ^ Askeland, Donald R. (January 2015). The science and engineering of materials. Wright, Wendelin J. (Seventh ed.). Boston, MA. p. 208. ISBN 978-1-305-07676-1. OCLC 903959750.{{cite book}}: CS1 maint: location missing publisher (link)

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