Paper Title:
Fatigue Strength and Fracture Mechanisms of IF28 Steels
  Abstract

Interstitial free (IF) steels are widely used as thin sheet in the automobile industries because of their many favorable properties. Although, fatigue properties of IF steels do not have significant importance to auto body makers, however, they are very concerned about the tensile and fatigue strength of the steels used for structural purposes to ensure safety of passengers. So, fatigue results of this steel might help researchers to understand the behaviors of high strength steels. In this study cyclic and static properties have been studied at room temperature in the air. Initiative has also been taken to observe the fatigue fracture morphology of this steel. Experimental results show that the fatigue limit is corresponding to about 40% of tensile strength and 80% of the yield strength of this steel. Fractographic observations reveal a mixed type of fracture mode (intergranular and transgranular cracking) fractures.

  Info
Periodical
Advanced Materials Research (Volumes 15-17)
Edited by
T. Chandra, K. Tsuzaki, M. Militzer and C. Ravindran
Pages
804-809
DOI
10.4028/www.scientific.net/AMR.15-17.804
Citation
M.A. Islam, Y. Tomota, "Fatigue Strength and Fracture Mechanisms of IF28 Steels", Advanced Materials Research, Vols. 15-17, pp. 804-809, 2007
Online since
February 2006
Export
Price
$32.00
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