Stress-acoustic relations for stress measurement by ultrasonic technique

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概要

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• New equations are proposed for stress measurements in orthotropic materials by ultrasonic birefringence technique. Intensity of stress-induced anisotropy and its principal direction are related to the applied stress through three coefficients, in contrast to only one coefficient required for isotropic materials. Experiments of ultrasonic birefringence were carried out to determine the three coefficients in a plate of aluminum alloy with a slight orthotropy originated from roll working. Anisotropy induced by uniaxial stress and rotation of the principal axis were observed in several specimens with different directions of rolling. The results are in good agreement with the curves theoretically predicted by the equations proposed here, showing the validity and usefulness of these equations for stress measurements in materials conventionally used.

• 社団法人日本音響学会の論文

著者

• Okada Kenichi

  Technical College Of Tokushima University

• Okada Kenichi

  Technical Collage Of Tokushima University

関連論文

• Acoustoelastic Stress-Measurement in Rolled Materials : Industrial Apprications
• Acoustoelastic Properties in Rolled Plate : Effects of Large Deformation and Stress Relaxation : Acoustical Measurements and Instrumentation
• Two-Dimensional Acoustoelasticity Using Pulse Echo Overlap Technique : Acoustic Measurements
• On a Hysteresis Property in Acoustoelastic Effect : Non-Destructive Testing
• Stress-acoustic relations for stress measurement by ultrasonic technique

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