Paper Title:
Effect of Static Pre-Strain on Low Cycle Fatigue Life of AISI 316L Stainless Steel
  Abstract

In order to clarify the effects of a great amount of static pre-strain (1/4 cycle) on fatigue life of AISI 316L stainless steel, strain controlled low cycle fatigue tests were carried out. Hardness and fracture ductility of specimens were measured. Results showed that in the case of a specimen with p=0.01, static pre-strain of 0.16 noticeably reduced a fatigue life. To clarify the reasons for the decrease in fatigue life with pre-strain, the maximum stress amplitude of the hysteresis loop was measured. In the case of the specimen with p=0.01, work softening was observed in the early stage of fatigue life. On the other hand, when the cyclic plastic strain ranges were p=0.10, no softening was observed. These results suggest that work softening is significant in determining the fatigue life of the specimens at a relatively low level of applied cyclic strain.

  Info
Periodical
Key Engineering Materials (Volumes 462-463)
Edited by
Ahmad Kamal Ariffin, Shahrum Abdullah, Aidy Ali, Andanastuti Muchtar, Mariyam Jameelah Ghazali and Zainuddin Sajuri
Pages
65-69
DOI
10.4028/www.scientific.net/KEM.462-463.65
Citation
T. Ido, J. Komotori, "Effect of Static Pre-Strain on Low Cycle Fatigue Life of AISI 316L Stainless Steel", Key Engineering Materials, Vols. 462-463, pp. 65-69, 2011
Online since
January 2011
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Price
$32.00
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