scholarly journals Creep-Fatigue Life Prediction for Ligament of Boiler Headers by Strain Range Partitioning Method.

1999 ◽  
Vol 48 (6) ◽  
pp. 604-609 ◽  
Author(s):  
Hiroyuki HAYAKAWA ◽  
Mituo MIYAHARA ◽  
Akihiro KANAYA ◽  
Kazuo OKAMURA
Keyword(s):  
Fatigue Life ◽  
Life Prediction ◽  
Strain Range ◽  
Fatigue Life Prediction ◽  
Creep Fatigue

Multiaxial Low Cycle Fatigue Life Prediction at 300 °C Using Equivalent Strain Appoach

2011 ◽  
Vol 361-363 ◽  
pp. 1669-1672
Author(s):  
Wen Xiao Zhang ◽  
Guo Dong Gao ◽  
Guang Yu Mu
Keyword(s):  
Fatigue Life ◽  
Life Prediction ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Strain Range ◽  
Cyclic Fatigue ◽  
Equivalent Strain ◽  
Multiaxial Fatigue ◽  
Fatigue Life Prediction ◽  
Cycle Fatigue

The low cycle fatigue behavior was experimentally studied with the 3-dimension notched LD8 aluminum alloy specimens at 300°C. The 3- dimension stress-strain responses of specimens were calculated by means of the program ADINA. The multiaxial fatigue life prediction was carried out according to von Mises’s equivalent theory. The results from the prediction showed that the equivalent strain range can be served as the valid mechanics for predicting multiaxial high temperature and low cyclic fatigue life.

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