Paper Title:
Combined Cycle Fatigue of Ni-Base Superalloy
  Abstract

Fatigue life of a cast Ni-base superalloy IN 713LC under combined cycle loading consisting of a superposition of low- and high-cycle fatigue at 800 °C was experimentally determined. No measurable effect of combined cycle was found for studied loading conditions. High scatter of fatigue life related to the initiation of cracks on casting defects was observed. Size of the largest defect in a specimen was predicted by the largest extreme value distribution method. The predicted size was compared with fractographic observation of defects resulting in final fatigue failure.

  Info
Periodical
Edited by
Pavel Šandera
Pages
523-526
DOI
10.4028/www.scientific.net/KEM.465.523
Citation
L. Kunz, P. Lukáš, R. Konečná, "Combined Cycle Fatigue of Ni-Base Superalloy", Key Engineering Materials, Vol. 465, pp. 523-526, 2011
Online since
January 2011
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