Abstract
This paper deals with the influence of debonding damage between particles and matrix on a crack-tip field in a glass-particle-reinforced nylon 66 composite. In order to explain the influence of debonding damage on the fracture toughness, numerical analysis of a crack-tip field was carried out on the interface-treated and nutreated composites by using a finite element method developed based on an incremental damage theory of particle-reinforced composites. At the crack-tip region, the damage zone due to the particle-matrix interfacial debonding develops in addition to the plastic zone due to matrix plasticity. The damage evolution around a crack-tip depends on the interfacial strength between particles and matrix and the particle volume fraction. It is found that the debonding damage reduces the stress level around a crack-tip and acts as the toughening mechanism. The mechanical performance of particle-reinforced composites is obtained as the results of the competitive effects of the intact hard particles and debonding damage.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
