Multiaxial Fatigue Damage Criteria

2001 ◽  
pp. 453-456 ◽  
Author(s):  
DARRELL SOCIE
Keyword(s):  
Fatigue Damage ◽  
Multiaxial Fatigue ◽  
Damage Criteria

Comparison of Fatigue Damage Criteria Applied to Multiaxial Fatigue

2008 ◽  
Author(s):  
F. Curtit ◽  
A. Le Pecheur ◽  
J. M. Stephan
Keyword(s):  
Fatigue Damage ◽  
Thermal Fatigue ◽  
Nuclear Power ◽  
High Cycle Fatigue ◽  
Fatigue Loading ◽  
Fatigue Tests ◽  
Multiaxial Fatigue ◽  
304 Stainless Steel ◽  
Cycle Fatigue ◽  
Damage Criteria

The mixing tees of PWR nuclear power plant are submitted to complex cyclic thermal loadings that could lead to significant fatigue damage as observed on the RHR mixing area of Civaux 1 PWR in 1998. The characteristics of associated mechanical loading have been investigated by both experimental and numerical studies. A constant loading due to mean temperature and pressure is combined with equi-biaxial variable amplitude loading in the field of high cycle fatigue. This paper compares several fatigue damage criteria applied to both low and high cycle fatigue tests on 304 stainless steel specimens under several loading conditions according to mixing zone thermal fatigue loading amplitude. In order to focus the comparison on intrinsic qualities of the models, each criterion is evaluated directly with stress and strain measured on the specimen. The relevance of each criterion for high cycle thermal fatigue is discussed taking into considerations the precision of the results, and also the “usage cost” (including identification and complexity) and the adaptability to cumulative damage rules.

Multiaxial Fatigue Damage Models

2006 ◽  
pp. 747-750
Author(s):  
De Guang Shang ◽  
Guo Qin Sun ◽  
Jing Deng ◽  
Chu Liang Yan
Keyword(s):  
Fatigue Damage ◽  
Multiaxial Fatigue ◽  
Damage Models
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