Barbara Palmieri
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View article: Thermoforming Process Effect on Performances of Thermoplastic/Recycled Carbon Fiber Composites
Thermoforming Process Effect on Performances of Thermoplastic/Recycled Carbon Fiber Composites Open
The reuse of recycled carbon fibers (rCF) is a response to growing environmental concerns associated with the composites industry. Recycling and reusing carbon fibers represents a more sustainable alternative by reducing waste at the end o…
View article: Investigating the Feasibility of Metallizing Reprocessable Vitrimeric Components through Cold Spray Technique
Investigating the Feasibility of Metallizing Reprocessable Vitrimeric Components through Cold Spray Technique Open
Epoxy vitrimers, distinguished by their unique combination of the mechanical strength typical of thermosets with the reprocessability of thermoplastics, represent a promising class of materials for advanced technological applications. To o…
View article: Thermoforming Process Effect on Performances of Thermoplastic/Recycled Carbon Fiber Composites
Thermoforming Process Effect on Performances of Thermoplastic/Recycled Carbon Fiber Composites Open
The reuse of recycled carbon fibers (rCF) is a response to growing environmental concerns associated with the composites industry. Recycling and reusing carbon fibers represents a more sustainable alternative by reducing waste at the end o…
View article: Feasibility of infusion processing for carbon fiber/vitrimeric epoxy composites
Feasibility of infusion processing for carbon fiber/vitrimeric epoxy composites Open
Carbon fiber-reinforced composites are highly valued for their exceptional mechanical properties and lightweight nature, but their environmental impact due to non-recyclable thermosetting matrices remains a critical challenge. This study e…
View article: Lightweight 3D-printed heaters: design and applicative versatility
Lightweight 3D-printed heaters: design and applicative versatility Open
This paper proposes a new strategy for designing a 3D-printed heater that can overcome some criticalities of current commercial heater devices for application in the transport and energy sectors. A semiconductive nanocomposite material, ac…
View article: Reinforcing Efficiency of Recycled Carbon Fiber PLA Filament Suitable for Additive Manufacturing
Reinforcing Efficiency of Recycled Carbon Fiber PLA Filament Suitable for Additive Manufacturing Open
The use of 3D printing technology for manufacturing new products based on sustainable materials enables one to take advantage of secondary raw materials derived from recycling. This work investigates the structural performances of 3D print…
View article: Design optimization of filament wound cylinder by considering process induced residual stresses
Design optimization of filament wound cylinder by considering process induced residual stresses Open
The manufacturing process has a significant influence on the product quality of filament wound composite parts. During the filament winding process, a large tensile load to the fibre was applied and maintained during resin curing, resultin…
View article: Graphite Nanoplatelets Nanostructured Films as Multifunctional Protective Layer in Kevlar/Nomex Sandwich Composites
Graphite Nanoplatelets Nanostructured Films as Multifunctional Protective Layer in Kevlar/Nomex Sandwich Composites Open
In the aerospace sector, structural and non-structural composite components are usually subjected to a wide range of environmental conditions. Among all, moisture can seriously damage these materials’ performance, reducing their mechanical…
View article: Graphite Nanoplatelets Films as Multifunctional Protective Layer in Kevlar/Nomex Sandwich Composites
Graphite Nanoplatelets Films as Multifunctional Protective Layer in Kevlar/Nomex Sandwich Composites Open
In the aerospace sector, structural and non-structural components are usually subjected to a wide range of environmental conditions. Although lightweight, the use of composite parts for these applications is restricted, due to their poor p…
View article: Influence of Catalyst Content and Epoxy/Carboxylate Ratio on Isothermal Creep of Epoxy Vitrimers
Influence of Catalyst Content and Epoxy/Carboxylate Ratio on Isothermal Creep of Epoxy Vitrimers Open
In the present work, a commercial epoxy based on epoxy anhydride and tertiary amine was modified by a metallic catalyst (Zn2+) to induce vitrimeric behavior by promoting the transesterification reaction. The effect of two different epoxy/a…
View article: An Investigation of the Healing Efficiency of Epoxy Vitrimer Composites Based on Zn2+ Catalyst
An Investigation of the Healing Efficiency of Epoxy Vitrimer Composites Based on Zn2+ Catalyst Open
The need to recycle carbon-fibre-reinforced composite polymers (CFRP) has grown significantly to reduce the environmental impact generated by their production. To meet this need, thermoreversible epoxy matrices have been developed in recen…
View article: An Investigation on the Healing Efficiency of Epoxy Vitrimer Composites based on Zn2+ catalyst
An Investigation on the Healing Efficiency of Epoxy Vitrimer Composites based on Zn2+ catalyst Open
The need to recycle carbon fibre reinforced composite polymers (CFRP) has grown significantly to reduce the environmental impact generated by their production. To meet this need, thermoreversible epoxy matrices have been developed in recen…
View article: Mechanical and Viscoelastic Properties of Carbon Fibre Epoxy Composites with Interleaved Graphite Nanoplatelet Layer
Mechanical and Viscoelastic Properties of Carbon Fibre Epoxy Composites with Interleaved Graphite Nanoplatelet Layer Open
The use of interleaving material with viscoelastic properties is one of the most effective solutions to improve the damping capacity of carbon fibre-reinforced polymer (CFRP) laminates. Improving composite damping without threatening mecha…
View article: Mechanical and Viscoelastic Properties of Carbon Fiber Epoxy Composites with Interleaved Graphite Nanoplatelet Layer
Mechanical and Viscoelastic Properties of Carbon Fiber Epoxy Composites with Interleaved Graphite Nanoplatelet Layer Open
The use of interleaving material with viscoelastic properties is one of the most effective solutions to improve the damping capacity of CFRP laminates. Improving composite damping without threatening mechanical performance is challenging a…
View article: Viscoelastic characterization of reformable epoxy vitrimers composites
Viscoelastic characterization of reformable epoxy vitrimers composites Open
Epoxy Vitrimers are gathering attention as a development in the field of more easily re-processable and self-healing thermosets. Incorporating a catalyst should activate the transesterification reaction within the polymeric macromolecule i…
View article: PVB Nanocomposites as Energy Directors in Ultrasonic Welding of Epoxy Composites
PVB Nanocomposites as Energy Directors in Ultrasonic Welding of Epoxy Composites Open
Ultrasonic welding (UW) is a well-established technique for joining thermoplastic composites and has recently been utilized in the aerospace and automotive industries. In the case of thermoset composites (TSCs), a polymer-based material pl…
View article: Flash sintering in metallic ceramics: finite element analysis of thermal runaway in tungsten carbide green bodies
Flash sintering in metallic ceramics: finite element analysis of thermal runaway in tungsten carbide green bodies Open
Flash sintering is a powerful tool for the ultrarapid consolidation of green ceramic compacts, although its activation mechanisms in electrically conductive PTC (Positive Temperature Coefficient for resistivity) materials' is poorly unders…
View article: Thermally Mendable Self-Healing Epoxy Coating for Corrosion Protection in Marine Environments
Thermally Mendable Self-Healing Epoxy Coating for Corrosion Protection in Marine Environments Open
Polymeric coatings represent a well-established protection system that provides a barrier between a metallic substrate and the environment. The development of a smart organic coating for the protection of metallic structures in marine and …
View article: Flash Sintering in Metallic Ceramics: Finite Element Analysis of Thermal Runaway in Tungsten Carbide Green Bodies
Flash Sintering in Metallic Ceramics: Finite Element Analysis of Thermal Runaway in Tungsten Carbide Green Bodies Open
View article: Mitigation of Heat Propagation in a Battery Pack by Interstitial Graphite Nanoplatelet Layer: Coupled Electrochemical-Heat Transfer Model
Mitigation of Heat Propagation in a Battery Pack by Interstitial Graphite Nanoplatelet Layer: Coupled Electrochemical-Heat Transfer Model Open
The use of high thermal conductive materials for heat transfer is gaining attention as a suitable treatment for improving battery performance. Thermal runaway is a relevant issue for maintaining safety and for proficient employment of accu…
View article: Finite Element Analysis of the Thermal Runaway in Tungsten Carbide Granular Compacts: Role of the Carbon Surface Nanolayer
Finite Element Analysis of the Thermal Runaway in Tungsten Carbide Granular Compacts: Role of the Carbon Surface Nanolayer Open
The application of a low voltage to tungsten carbide green bodies allows ultrafast sintering in less than 10 s [1].A transient thermal runaway is responsible for exceptional heating rates of the order of 10 4 -10 5 ºC/min, which induces al…
View article: On the Suitability of Induction Heating for the Manufacture of Reinforced Aluminum Foam Structures
On the Suitability of Induction Heating for the Manufacture of Reinforced Aluminum Foam Structures Open
Thanks to an intriguing combination of properties, aluminum foams are becoming materials useful for applications in several industrial fields and can be of great interest as core of reinforced structures. Starting from previous studies of …
View article: An Efficient Thermal Cure Profile for Thick Parts Made by Reactive Processing of Acrylic Thermoplastic Composites
An Efficient Thermal Cure Profile for Thick Parts Made by Reactive Processing of Acrylic Thermoplastic Composites Open
The process of curing of large thick composite parts needs attention regarding the formation of residual stresses. Similarly, novel reactive thermoplastics need investigating to produce an efficient thermal cure profile that decreases the …
View article: Ultrasonic evaluation of induction heat treatment applied to thermoplastic matrix CFRP
Ultrasonic evaluation of induction heat treatment applied to thermoplastic matrix CFRP Open
Thermoplastic matrix carbon fibre reinforced polymers (CFRP) are extensively utilized for composites structures in the aerospace and aeronautical industries. Diverse techniques were currently applied to joining composite parts, the most pr…