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Characterization of Interphasial Properties in Adhesive Joints Using Angle-Beam Reflection Ultrasonic Spectroscopy

  • W. Wang
  • S. I. Rokhlin

Abstract

Mechanical properties of adhesive joints depend on: (1) the bulk (cohesive) properties of the adhesive such as type of adhesive, degree of cure, porosity, et cetera and (2) the interphasial properties of the bond between the adhesive and the adherends. While several techniques have been developed for nondestructive evaluation of cohesive properties of the adhesive, the assessment of interphase properties is more complicated. It has previously been proposed [1] that an ultrasonic wave that produces shear stress on the interphase is sensitive to interphase properties. This may be achieved by utilization of interface waves [1, 2] or guided waves in the bonded plates [3, 4, 5]. Another possibility is the use of obliquely incident ultrasonic waves for interphase evaluation, analyzing signals in the time or frequency domains [6, 7, 8].

Keywords

Incident Angle Bulk Modulus Polymer Film Ultrasonic Wave Adhesive Layer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • W. Wang
    • 1
  • S. I. Rokhlin
    • 1
  1. 1.Department of Welding EngineeringThe Ohio State UniversityColumbusUSA

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