Nondestructive Imaging of Stress Distribution in Metal Using Nonlinear Elasto-Acoustics
Nondestructive detection of stress characteristics in metal is desired in many fields . For example, the residual stress in metal sometimes induces destruction of mechanical parts and structures. In order to predict the destruction, measurement of the distribution of the value of static stress in metal is desired. The nonlinear relation between the stress in metal and ultrasonic sound velocity can be used as a powerful means for the purpose1.
KeywordsStress Distribution Phase Change Sound Velocity Metal Sample Schematic Construction
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