Characteristization of Acoustic Emission during Fatigue Loading of Composite Specimens,
Abstract
Strain and load controlled fatigue tests were run on boron-aluminum and boron-epoxy angle-plied specimens. Acoustic emission data was recorded using a gating technique that eliminated most extraneous noise. Various material parameters were monitored during the test. A good correlation between acoustic emission and damage extent and propagation was obtained. This was evidenced by an apparent first order linear relationship between dynamic compliance and totalized acoustic emission. A basis for an energy based failure model was formulated and discussed. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- May 01, 1974
- Accession Number
- AD0783227
Entities
People
- Kenneth L. Reifsnider
- Richard S. Williams
Organizations
- Virginia Tech