Publication detail

Fatigue behaviour of a short crack in a thin protective layer laser-cladded on a steel substrate

JUHÁSZOVÁ, T. MALÍKOVÁ, L. DOUBEK, P. MIARKA, P. SEITL, S.

Original Title

Fatigue behaviour of a short crack in a thin protective layer laser-cladded on a steel substrate

Type

journal article - other

Language

English

Original Abstract

Fatigue behaviour of a short crack in a thin protective laser-cladded layer has been investigated. A two-dimensional finite element model of a steel bar with two thin cracked layers on its both sides was created. Propagation of a crack under pure tension and pure bending was studied via linear elastic fracture mechanics concept considering various Young’s modulus of the surface layers. The effect of the elastic mismatch between both materials is demonstrated considering the critical stress intensity factor range of 20 to 25 MPa·m1/2 as it is typical for aluminium alloys. It is shown that more compliant materials enhance the critical crack length that causes the unstable crack growth and therefore also the lifetime of the component with laser-cladded protective layers.

Keywords

Bi-material; Laser cladding; Fracture mechanics; Crack behaviour

Authors

JUHÁSZOVÁ, T.; MALÍKOVÁ, L.; DOUBEK, P.; MIARKA, P.; SEITL, S.

Released

31. 12. 2021

Publisher

VŠB-TUO OSTRAVA

Location

Ostrava

ISBN

1804-4824

Periodical

Transactions of the VŠB – Technical University of Ostrava, Civil Engineering Series

Year of study

21

Number

2

State

Czech Republic

Pages from

25

Pages to

29

Pages count

5

URL

http://tces.vsb.cz/Home/ArticleDetail/818

BibTex

@article{BUT175728,
  author="Tereza {Juhászová} and Lucie {Malíková} and Pavel {Doubek} and Petr {Miarka} and Stanislav {Seitl}",
  title="Fatigue behaviour of a short crack in a thin protective layer laser-cladded on a steel substrate",
  journal="Transactions of the VŠB – Technical University of Ostrava, Civil Engineering Series",
  year="2021",
  volume="21",
  number="2",
  pages="25--29",
  doi="10.35181/tces-2021-0009",
  issn="1804-4824",
  url="http://tces.vsb.cz/Home/ArticleDetail/818"
}