Publication detail

An energetic criterion for a micro-crack of finite length initiated in orthotropic bi-material notches

PROFANT, T. KLUSÁK, J. ŠEVEČEK, O. HRSTKA, M. KOTOUL, M.

Original Title

An energetic criterion for a micro-crack of finite length initiated in orthotropic bi-material notches

Type

journal article - other

Language

English

Original Abstract

The singular stress field at the tip of a bi-material orthotropic notch may cause the initiation of micro-cracks into one of its material part. Assuming the plane elasticity of the anisotropic media, the Lekhnitskii–Eshelby–Stroh formalism is used to express the characteristics of the singular stress field at the notch tip, the auxiliary solution necessary for the calculation of the contour-independent integrals and consequently generalized stress intensity factors. The matched asymptotic expansion analysis is used to evaluate the fracture energy release rate which allows one to assess the potential direction of a crack and establish the fracture criterion based on the theory of the finite fracture mechanics.

Keywords

Bi-material notch; Orthotropy; Two-state integral; Matched asymptotic expansion; Complex potentials; LES formalism; Finite crack increment

Authors

PROFANT, T.; KLUSÁK, J.; ŠEVEČEK, O.; HRSTKA, M.; KOTOUL, M.

RIV year

2013

Released

4. 9. 2013

Publisher

PERGAMON-ELSEVIER SCIENCE LTD

Location

England, Oxford

ISBN

0013-7944

Periodical

Engineering Fracture Mechanics

Year of study

110

Number

2013

State

United Kingdom of Great Britain and Northern Ireland

Pages from

396

Pages to

409

Pages count

14

BibTex

@article{BUT102836,
  author="Tomáš {Profant} and Jan {Klusák} and Oldřich {Ševeček} and Miroslav {Hrstka} and Michal {Kotoul}",
  title="An energetic criterion for a micro-crack of finite length initiated in orthotropic bi-material notches",
  journal="Engineering Fracture Mechanics",
  year="2013",
  volume="110",
  number="2013",
  pages="396--409",
  issn="0013-7944"
}