Prediction of very high cycle fatigue failure for high strength steels, based on the inclusion geometrical properties
โ Scribed by Gonzalo M. Dominguez Almaraz
- Book ID
- 108206646
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 292 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0167-6636
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๐ SIMILAR VOLUMES
Methods to predict the S-N curves of high-strength steels in the very high cycle fatigue (VHCF) regime are reviewed. At the same time, a new prediction in form of Basquin's equation is proposed based on the prediction of fatigue strengths in both high cycle fatigue regime and very high cycle fatigue
The sizes of the 'granular bright facet' (GBF) areas on fracture surfaces of specimens subjected to very high cycle fatigue for two high strength spring steels were measured in a field emission scanning electron microscope (FESEM) and compared with the estimated values, and a good agreement was foun
The objectives of the present paper are to clarify the effect of inclusion geometry according to the forging ratio and the metal flow direction on very high-cycle fatigue properties of steel bars and to propose an evaluation method for characteristic inclusion geometries observed at fracture origin.