Fracture Toughness of Fiber Composite Materials.
Abstract
Fracture toughness test methods have been evaluated and fracture toughness parameters have been measured for random fiber (discontinuous) composites having epoxy resin matrices. The strength of the glass-resin interface has been altered by using 4 different silane surface treatments applied to the glass fibers. Good agreement between the various test methods has been obtained and reliable techniques have been developed to measure the fracture toughness. Damage mechanisms at the crack tip have been investigated and comparison of experimentally determined values of fracture toughness with theoretical predictions are being made in order to better understand the parameters controlling energy absorption in composites.
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 01, 1975
- Accession Number
- ADA015454
Entities
People
- L. J. Broutman
- S. K. Gaggar
Organizations
- Illinois Institute of Technology