ArticleACS applied materials & interfaces2023
Insights into Mechanical Dynamics of Nanoscale Interfaces in Epoxy Composites Using Nanorheology Atomic Force Microscopy.
Article in ACS applied materials & interfaces, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Interphase Engineering in Aramid-Fiber-Reinforced Epoxy Composites: From Surface Modification to Mechanical Consequences.Nanomaterials (Basel, Switzerland) · 2026Review
- Investigation of Rapid Non-Isothermal Crystallization Kinetics of Polyamide 66 Using a Fast-Scanning Chip-Based DSC.Sensors (Basel, Switzerland) · 2026Article
- Versatile phosphonium-catechol dispersant for inorganic nanoparticle stability across diverse media and manufacturing processes.Communications chemistry · 2025Article
- Acrylic Films in Cosmetics: Decoding the Structural Mechanism of a High-Performing Skin Coating.ACS applied materials & interfaces · 2025Article
- Directed self-assembly of chiral liquid crystals into biomimetic bouligand structures in thin film.Nature communications · 2025Article
- Advances in nanomechanical property mapping by atomic force microscopy.Nanoscale advances · 2025Review
- Molecular Dynamics Simulation of Cross-linked Epoxy Resins: Past and Future.Macromolecular rapid communications · 2025Review
- Force Volume Atomic Force Microscopy-Infrared for Simultaneous Nanoscale Chemical and Mechanical Spectromicroscopy.ACS nano · 2025Article
- Mapping the Nanoscale Heterogeneous Responses in the Dynamic Acceleration of Deformed Polymer Glasses.Nano letters · 2024Article
- Effect of Condensed Water at an Alumina/Epoxy Resin Interface on Curing Reaction.Langmuir : the ACS journal of surfaces and colloids · 2024Article
- Electronic Interaction of Epoxy Resin with Copper at the Adhered Interface.Langmuir : the ACS journal of surfaces and colloids · 2024Article
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Authors and funding
7 authors.
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Abstract
Interfacial polymer layers with nanoscale size play critical roles in dissipating the strain energy around cracks and defects in structural nanocomposites, thereby enhancing the material's fracture toughness. However, understanding how the intrinsic mechanical dynamics of the interfacial layer determine the toughening and reinforcement mechanisms in various polymer nanocomposites remains a major challenge. Here, by means of a recently developed nanorheology atomic force microscopy method, also known as nanoscale dynamic mechanical analysis (nDMA), we report direct mapping of dynamic mechanical responses at the interface of a model epoxy nanocomposite under the transition from a glassy to a rubbery state. We demonstrate a significant deviation in the dynamic moduli of the interface from matrix behavior. Interestingly, the sign of the deviation is observed to be reversed when the polymer changes from a glassy to a rubbery state, which provides an excellent explanation for the difference in the modulus reinforcement between glassy and rubbery epoxy nanocomposites. More importantly, nDMA loss tangent images unambiguously show an enhanced viscoelastic response at the interface compared to the bulk matrix in the glassy state. This observation can therefore provide important insights into the nanoscale toughening mechanism that occurs in epoxy nanocomposites due to viscoelastic energy dissipation at the interface.
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