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Surface Cracks in Round Bars under Cyclic Tension or Bending

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Abstract:

The fatigue growth of a surface crack in a metallic round bar under cyclic tension or bending is analysed. The stress-intensity factor (SIF) along the crack front is computed through a three-dimensional finite element analysis and the one-quarter point displacement method. The results are compared with those presented by other Authors. Then, the fatigue behaviour of the cracked bar is numerically determined by a step-by-step procedure.

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Periodical:

Key Engineering Materials (Volumes 378-379)

Pages:

341-354

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.378-379.341

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Online since:

March 2008

Authors:

Andrea Carpinteri, Sabrina Vantadori

Keywords:

Crack Growth, Cyclic Bending, Cyclic Tension, Fatigue, Round Bar, Stress Intensity Factor (SIF), Surface Crack

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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