Paper Title:
Effects of Microstructure on the Fatigue Resistance of Steel Tire Cords
  Abstract

Effects of microstructural parameters on fatigue resistance (σFL) of the steel tire cords have been investigated experimentally from microscopic points of view. At first, microstructural parameters depending on carbon content have been identified by using transmission electron microscopy (TEM). The fatigue resistance of the steel tire cords depending on carbon content has been measured by using the Hunter rotating beam tester under the bending stress of 900 to 1500 MPa. The fatigue resistance was improved with increasing the carbon content from 0.7, 0.8 to 0.9 wt. % C, due to variations of microstructural parameters, such as lamellar spacing (λp), cementite thickness (tc), and volume fraction (Vc) of cementite. As the carbon content increased, the lamellar spacing and the cementite thickness decreased, while the volume fraction of cementites increased. The effects of microstructure on fatigue resistance have been discussed in terms of the microstructural parameters mentioned above.

  Info
Periodical
Materials Science Forum (Volumes 475-479)
Main Theme
Edited by
Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie
Pages
4125-4128
DOI
10.4028/www.scientific.net/MSF.475-479.4125
Citation
Y. S. Yang, S.Y. Park, H. J. Jun, C. G. Park, S.H. Lim, D.Y. Ban, "Effects of Microstructure on the Fatigue Resistance of Steel Tire Cords", Materials Science Forum, Vols. 475-479, pp. 4125-4128, 2005
Online since
January 2005
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