Publication detail

Crack propagation in the vicinity of bi-material interface: Application to multi-layer pipes

ŠESTÁKOVÁ, L.

Czech title

Šíření trhliny v blízkosti bi-materiálového rozhraní: Aplikace na vícevrstvé trubky

English title

Crack propagation in the vicinity of bi-material interface: Application to multi-layer pipes

Type

conference paper

Language

en

Original abstract

Layered materials are often used in praxis, primarily because of their better mechanical properties in comparison with properties of individual materials components. During the crack propagation process a configuration of a crack with its tip at the bi-material interface in the structure can occur. It is important to decide if the crack propagates into the second material in this case or not. The step change of material properties at bi-material interface causes that the classical linear elastic fracture mechanics cannot be used. A generalized approach has to be applied. It is to find suitable criteria for determination of the effective values of stress intensity factor for the crack terminating at bi-material interface. Knowledge of these values is important for assessment of service life time such structures.

Czech abstract

Obsahem článku je za použití vhodného kritéria odhadnout hodnoty efektivních součinitelů intenzity napětí pro kolmou trhlinu končící na bi-materiálovém rozhraní ve třívrstvých trubkách.

English abstract

Layered materials are often used in praxis, primarily because of their better mechanical properties in comparison with properties of individual materials components. During the crack propagation process a configuration of a crack with its tip at the bi-material interface in the structure can occur. It is important to decide if the crack propagates into the second material in this case or not. The step change of material properties at bi-material interface causes that the classical linear elastic fracture mechanics cannot be used. A generalized approach has to be applied. It is to find suitable criteria for determination of the effective values of stress intensity factor for the crack terminating at bi-material interface. Knowledge of these values is important for assessment of service life time such structures.

Keywords in Czech

vícevrstvá trubka, součinitel intenzity napětí, lomové kritérium

Keywords in English

multi-layer pipe, stress intensity factor, fracture criteria

RIV year

2008

Released

04.12.2008

Publisher

Ústav fyziky materiálů AV ČR, v. v. i.

Location

Brno

ISBN

978-80-254-3492-5

Book

Víceúrovňový design pokrokových materiálů, sborník doktorské konference 2008

Pages from–to

15–20

Pages count

6

BIBTEX


@inproceedings{BUT30385,
  author="Lucie {Malíková},
  title="Crack propagation in the vicinity of bi-material interface: Application to multi-layer pipes",
  booktitle="Víceúrovňový design pokrokových materiálů, sborník doktorské konference 2008",
  year="2008",
  month="December",
  pages="15--20",
  publisher="Ústav fyziky materiálů AV ČR, v. v. i.",
  address="Brno",
  isbn="978-80-254-3492-5"
}