Paper Title:
Study on the Influence of Reduction in Area on Fatigue Life of Bearing Steel Using Statistics of Extreme Values
  Abstract

The maximum nonmetallic inclusion size and type of bearing steel has been analyzed using statistics of extreme values (SEV) in this study, and the influence of reduction in area on the maximum nonmetallic inclusion size and the fatigue life of bearing steel have been discussed as well. Scanning electron microscopy (SEM) and energy dispersive spectrometer (EDS) are used to measure the inclusion size and identify the inclusion type respectively. By adopting the criterion of return period (T) at 200, a serial analysis shows that with increasing the reduction in area of steel, the predicted inclusion size for √area max is decreasing, and the fatigue life is prolonging. This results from the defragment of hard inclusion during rolling process, and the decrease of concentration of stress around the inclusion.

  Info
Periodical
Advanced Materials Research (Volumes 189-193)
Edited by
Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang
Pages
3592-3595
DOI
10.4028/www.scientific.net/AMR.189-193.3592
Citation
H. H. Chung, C. C. Hsu, "Study on the Influence of Reduction in Area on Fatigue Life of Bearing Steel Using Statistics of Extreme Values", Advanced Materials Research, Vols. 189-193, pp. 3592-3595, 2011
Online since
February 2011
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Price
$32.00
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