Fatigue Crack Initiation and Propagation in Thick Multilayer Metallic Laminates

Abstract:

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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.

Info:

Periodical:

Key Engineering Materials (Volumes 417-418)

Edited by:

M.H Aliabadi, S. Abela, S. Baragetti, M. Guagliano and Han-Seung Lee

Pages:

929-932

DOI:

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

Citation:

Z. Sharif-Khodaei et al., "Fatigue Crack Initiation and Propagation in Thick Multilayer Metallic Laminates", Key Engineering Materials, Vols. 417-418, pp. 929-932, 2010

Online since:

October 2009

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Price:

$35.00

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