Numerical Analysis of the Crack Growth in a High Loaded Bolt Connection

Marko Knez; Srečko Glodež; Janez Kramberger

doi:10.4028/www.scientific.net/KEM.348-349.625

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 348-349Numerical Analysis of the Crack Growth in a High...

Numerical Analysis of the Crack Growth in a High Loaded Bolt Connection

Abstract:

The present paper deals with the research on the crack growth in a bolt connection of a lug for crane counter weight bars. Counter weight bars are structural elements that are subjected to very heavy loads and therefore special attention must be paid. The main purpose of this research is to determine the number of the load cycles required for a crack to propagate from initial to critical crack length, when the final failure can be expected to occur. All required material parameters and the experimental results were determined in our previous research. The influence of the initial crack size upon the remaining life of the lug is researched numerically by means of finite element analysis and analytically by use of the corrected analytical model.

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Key Engineering Materials (Volumes 348-349)

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625-628

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https://doi.org/10.4028/www.scientific.net/KEM.348-349.625

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September 2007

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Marko Knez, Srečko Glodež, Janez Kramberger

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References

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DOI: 10.1016/j.engfailanal.2009.03.023

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