Fatigue Crack Initiation and Propagation in Thick Multilayer Metallic Laminates

Z. Sharif-Khodaei; P.M. Baiz; Ferri M.H.Aliabadi

doi:10.4028/www.scientific.net/KEM.417-418.929

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 417-418Fatigue Crack Initiation and Propagation in Thick...

Fatigue Crack Initiation and Propagation in Thick Multilayer Metallic Laminates

Abstract:

The objective of this study is to investigate and develop a methodology to predict fatigue crack initiation and propagation in metallic laminate structures. The fatigue crack initiation is based on strain-life approach. After a crack has initiated, Stress Intensity Factors (SIF) are obtained and the subsequent propagation is described following Paris law type equations (NASGRO). Detailed Stress-Strain distribution in each layer is obtained from FE models, including the effect of the transition from flat to slant cracks on the fatigue crack growth.

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Periodical:

Key Engineering Materials (Volumes 417-418)

Pages:

929-932

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.417-418.929

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Online since:

October 2009

Authors:

Z. Sharif-Khodaei, P.M. Baiz, Ferri M.H.Aliabadi

Keywords:

Aluminum Laminate, Fatigue Crack Growth (FCG), Fatigue Crack Initiation, Finite Element Model (FEM), Multilayer

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