The acoustic measurement of stress intensity factors
- 1 February 1979
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 34 (3) , 182-184
- https://doi.org/10.1063/1.90742
Abstract
The maximum stress intensity factor of a surface crack has been inferred by measuring the reflection coefficient of a Rayleigh wave incident to the crack. An acoustic surface wave wedge transducer was used to excite the incident wave and to measure the reflected‐wave amplitude. The fracture stress of Pyrex glass specimens containing the acoustically measured cracks was determined in biaxial flexure. The values of the fracture stress predicted from acoustic data were found to be in excellent agreement with the measured values, with less than a 15% error.Keywords
This publication has 4 references indexed in Scilit:
- The application of reciprocity theory to scattering of acoustic waves by flawsJournal of Applied Physics, 1978
- The design of efficient broadband wedge transducersApplied Physics Letters, 1978
- The fracture stress and its dependence on slow crack growthJournal of Materials Science, 1975
- Fracture Surface Energy of GlassJournal of the American Ceramic Society, 1969