Paper Title:
Effect of Plastic Working on Pulsating Fatigue Strength of Notched Specimen
  Abstract

In order to study the effect of plastic working on fatigue strength of notched specimen, pulsating fatigue tests had been performed on notched deformed stainless steel specimens including on notched non-deformed specimens in order to evaluate the influence of mean stress on fatigue strength. The test results showed that the fatigue limits of plastic worked specimens are higher than that of non-worked one. This difference value would be caused by residual stress, work hardening and fiber texture due to plastic working. When degree of plastic deformation equal zero ("t=0), the fatigue limit ratio (σw /σB) of SUS430 is the higher than that of SUS304. On the other hand, the fatigue limit of worked specimen for SUS304 increases as the plastic deformation value increases to 0.5 mm and then it does not significantly increase from 0.5 mm to 1 mm. It is necessary to investigate an optimal deformation value.

  Info
Periodical
Key Engineering Materials (Volumes 340-341)
Edited by
N. Ohno and T. Uehara
Pages
543-548
DOI
10.4028/www.scientific.net/KEM.340-341.543
Citation
N. Hattori, S. Nishida, P. T. Iswanto, "Effect of Plastic Working on Pulsating Fatigue Strength of Notched Specimen", Key Engineering Materials, Vols. 340-341, pp. 543-548, 2007
Online since
June 2007
Export
Price
$32.00
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