ViconInfrared Lock-In Thermography 
Stress Imaging
EXAMPLE 1. Real-Time movie of stress in an auto steering knuckle
 
    
     


    
EXAMPLE 2. Vibration mode mapping--turbine blades on shake table.
Note absolute value of stress in MPa.
717 Hz -- 1st Mode
 
3418 Hz -- 3rd Mode
2136 Hz -- 2nd Mode

 
5911 Hz -- 4th Mode
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