AI Article Synopsis
- The study investigates how two types of single polymer films (thermoplastic polyurethane and adhesive epoxy) affect the mechanical properties of composite laminates.
- The laminates were made using either a co-curing or a secondary bonding process, and their interlaminar fracture toughness was measured in two modes.
- The results showed that the PU film significantly enhanced both modes of toughness (290% for mode I and 50% for mode II), while the epoxy film also improved toughness, with increases of 175% for co-curing and 75% for secondary bonding in mode II.
Article Abstract
In this study, two types of single polymer films have been inserted in a composite laminate to examine their toughening effects on mechanical properties. The first is a thermoplastic polyurethane (PU) film, and the second is an adhesive epoxy film featuring a polyester net. The laminates were manufactured either using a co-curing (CC) process or a secondary bonding (SB) process used for the epoxy film. Mode I and mode II interlaminar fracture toughness were measured for laminates manufactured by both processes and compared with the corresponding reference laminate toughness. A significant increase in both mode I and mode II toughness resulted when introducing a single PU film, approximately 290% and 50%, respectively. Similarly, the epoxy film improved the interlaminar fracture properties; the CC process produced an increase of 175% for mode II toughness, while the SB adhesive film showed an increase of 75% for mode II toughness.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8659136 | PMC |
| http://dx.doi.org/10.3390/polym13234103 | DOI Listing |
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