A Study on Estimation of S-N Curves for Structural Steels Based on their Static Mechanical Properties

Kazutaka Mukoyama; Koushu Hanaki; Kenji Okada; Akiyoshi Sakaida; Atsushi Sugeta; Izuru Nishikawa; Akira Ueno; Tatsuo Sakai

doi:10.4028/www.scientific.net/AMR.891-892.1639

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 891-892A Study on Estimation of S-N Curves for Structural...

A Study on Estimation of S-N Curves for Structural Steels Based on their Static Mechanical Properties

Abstract:

The aim of this study is to develop a statistical estimation method of S-N curve for iron and structural steels by using their static mechanical properties. In this study, firstly, the S-N data for pure iron and structural steels were extracted from "Database on fatigue strength of Metallic Materials" published by the Society of Materials Science, Japan (JSMS) and S-N curve regression model was applied based on the JSMS standard, "Standard Evaluation Method of Fatigue Reliability for Metallic Materials -Standard Regression Method of S-N Curve-". Secondly, correlations between regression parameters and static mechanical properties were investigated. As a result, the relationship between the regression parameters and static mechanical properties (e.g. fatigue limit E and static tensile strength σ_B) showed strong correlations, respectively. Using these correlations, it is revealed that S-N curve for iron and structural steels can be predicted easily from the static mechanical properties.

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Periodical:

Advanced Materials Research (Volumes 891-892)

Pages:

1639-1644

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.891-892.1639

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Online since:

March 2014

Authors:

Kazutaka Mukoyama*, Koushu Hanaki, Kenji Okada, Akiyoshi Sakaida, Atsushi Sugeta, Izuru Nishikawa, Akira Ueno, Tatsuo Sakai

Keywords:

Database, S-N Curve, Statistical Estimation, Structural Steel

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* - Corresponding Author

References

[1] JSMS and Elsevier Science B.V., Editorial Committee of Data book, DATABOOK ON FATIGUE STRENGTH OF METALLIC MATERIALS, (1996).

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