Actuation fatigue life prediction of shape memory alloys under the constant-stress loading condition

2015 ◽  
Vol 95 ◽  
pp. 58-61 ◽  
Author(s):  
C. Calhoun ◽  
R. Wheeler ◽  
T. Baxevanis ◽  
D.C. Lagoudas
Keyword(s):  
Fatigue Life ◽  
Shape Memory Alloys ◽  
Shape Memory ◽  
Life Prediction ◽  
Loading Condition ◽  
Constant Stress ◽  
Fatigue Life Prediction

Actuation Fatigue Life Prediction of Notched Shape Memory Alloy Members

2019 ◽  
Vol 86 (6) ◽  
Author(s):  
Md Mehedi Hasan ◽  
Theocharis Baxevanis
Keyword(s):  
Fatigue Life ◽  
Shape Memory Alloy ◽  
Shape Memory ◽  
Fatigue Damage ◽  
Life Prediction ◽  
Notch Root ◽  
Fatigue Life Prediction ◽  
Critical Plane ◽  
Plane Model ◽  
Root Region

The efficiency of the critical plane model of Smith, Watson, and Topper in estimating fatigue life for loaded notched shape memory alloy members undergoing thermal cycling is demonstrated. The field intensity approach is adopted, which characterizes fatigue damage over a critical notch root region rather than at a critical point.

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