Paper Title:
Unsymmetrical Cycle Fatigue Analysis of Titanium Alloy Blades under Multi-Level Loading
  Abstract

This paper presents a modified nonlinear continuum damage model (CDM) applying to analyze compressor blades fatigue developed by Chaboche. The proposed model has been formulated to take into account the effect of different load levels and loading sequence. From a multiaxial fatigue point of view, the mean stress effect has been considered in order to extend the proposed model to multiaxial fatigue conditions. The unsymmetrical cycle fatigue test of TC4 alloy has been carried out to verify the model proposed in this paper and the results show a good agreement to predict fatigue life and damage. Finally, the fatigue life of a compressor blade is predicted using the proposed model under multi-level loading.

  Info
Periodical
Chapter
Chapter 4: Mechanical Behavior & Fracture
Edited by
Prasad Yarlagadda, Yun-Hae Kim, Zhijiu Ai and Xiaodong Zhang
Pages
686-689
DOI
10.4028/www.scientific.net/AMR.337.686
Citation
J. H. Zhang, J. W. Lin, S. Yang, F. Lv, "Unsymmetrical Cycle Fatigue Analysis of Titanium Alloy Blades under Multi-Level Loading", Advanced Materials Research, Vol. 337, pp. 686-689, 2011
Online since
September 2011
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Price
$32.00
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