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NÁHLÍK, L. HUTAŘ, P. KNÉSL, Z.
Original Title
The Influence of Loading Ratio on Fatigue Crack Propagation Through a Bi-material Interface
Type
journal article - other
Language
English
Original Abstract
The paper is devoted to fatigue crack propagation in layered materials. The influence of plasticity induced crack closure on threshold values for fatigue crack propagation through interfaces between different materials layers is studied. The main aim was to estimate the influence of the loading ratio R on threshold values for crack propagation through a bi-material interface as a function of the elastic mismatch of both materials. The finite element method (FEM) is used for numerical calculations. Results obtained for different loading ratios, materials, boundary conditions and magnitude of applied loading can be generalized and used for the design of composite bodies with different material layers.
Keywords
bi-material interface, loading ratio, plasticity-induced crack closure, critical stress
Authors
NÁHLÍK, L.; HUTAŘ, P.; KNÉSL, Z.
RIV year
2007
Released
15. 9. 2007
Publisher
Trans Tech Publications
Location
Švýcarsko
ISBN
1013-9826
Periodical
Key Engineering Materials (print)
Year of study
348-349
Number
State
Swiss Confederation
Pages from
317
Pages to
320
Pages count
4
BibTex
@article{BUT45340, author="Luboš {Náhlík} and Pavel {Hutař} and Zdeněk {Knésl}", title="The Influence of Loading Ratio on Fatigue Crack Propagation Through a Bi-material Interface", journal="Key Engineering Materials (print)", year="2007", volume="348-349", number="348-349", pages="317--320", issn="1013-9826" }