Effects on Fatigue Life of Bolt by Scatter of Pre-Tension Stress

Hong Kui Du; Fan Yu Kong

doi:10.4028/www.scientific.net/AMR.308-310.1283

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 308-310Effects on Fatigue Life of Bolt by Scatter of...

Effects on Fatigue Life of Bolt by Scatter of Pre-Tension Stress

Abstract:

This paper adopts contacting finite element method to perform exact stress and strain analysis on bolt joint structure, and the curve of pre-tension stress-life σp-N was drawn. According to the curve, production practice can be well guided and the optimum pre-tension stress may be obtained .By the means of curve between load and deformation, the curve shape of σp-N was analyzed in detail, the results showed that the analysis by finite element was coincident with mechanics analysis.

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Periodical:

Advanced Materials Research (Volumes 308-310)

Pages:

1283-1287

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.308-310.1283

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Online since:

August 2011

Authors:

Hong Kui Du, Fan Yu Kong

Keywords:

Bolt, Contact Finite Analysis, Fatigue Life, Pre-Tension Stress

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