Representation of Damage with Fracture-Strain

C.S. Surendran; G. Sasikala

doi:10.4028/www.scientific.net/AMM.592-594.1205

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 592-594Representation of Damage with Fracture-Strain

Representation of Damage with Fracture-Strain

Abstract:

Under the influence of stresses and strains damage is progressively accumulated in the material leading to full damage viz. fracture corresponding to a critical damage parameter. The damage parameter varies in between zero and unity inclusive of both the values corresponding to non damaged and fully damaged condition. Also damage is a tensorial quantity with physical meaning. In order to represent this physical quantity, a damage-D plane is suggested. This is like a co-ordinate system to easy representation of damage as a function of fracture strain. The damage-D plane can be merged with engineering stress-strain curve beyond the UTS where the damage leads to fracture occurs in the material.

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Periodical:

Applied Mechanics and Materials (Volumes 592-594)

Pages:

1205-1209

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.592-594.1205

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Online since:

July 2014

Authors:

C.S. Surendran*, G. Sasikala

Keywords:

Damage, Fracture Strain, Triaxiality

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