ArticleMaterials (Basel, Switzerland)2022
A Novel Manufacturing Concept of LCP Fiber-Reinforced GPET-Based Sandwich Structures with an FDM 3D-Printed Core.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 25 citations in OpenAlex.
- A Review of Hybrid Manufacturing: Integrating Subtractive and Additive Manufacturing.Materials (Basel, Switzerland) · 2025Review
- Progress of Polymer-Based Dielectric Composites Prepared Using Fused Deposition Modeling 3D Printing.Nanomaterials (Basel, Switzerland) · 2023Review
- Article
- Effect of Ply Orientation on the Mechanical Performance of Carbon Fibre Honeycomb Cores.Polymers · 2023Article
- Knowledge-Based Design Algorithm for Support Reduction in Material Extrusion Additive Manufacturing.Micromachines · 2022Article
- Sustainable Polymer Composites Manufacturing through 3D Printing Technologies by Using Recycled Polymer and Filler.Polymers · 2022Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
The presented research was focused on the development of a new method of sandwich structure manufacturing involving FDM-printing (fused deposition modeling) techniques and compression molding. The presented concept allows for the preparation of thermoplastic-based composites with enhanced mechanical properties. The sample preparation process consists of 3D printing the sandwich's core structure using the FDM method. For comparison purposes, we used two types of GPET (copolymer of polyethylene terephthalate)-based filaments, pure resin, and carbon fiber (CF)-reinforced filaments. The outer reinforcing layer "skins" of the sandwich structure were prepared from the compression molded prepregs made from the LCP (liquid-crystal polymer)-fiber fabric with the GPET-based matrix. The final product consisting of an FDM-printed core and LCP-based prepreg was prepared using the compression molding method. The prepared samples were subjected to detailed materials analyses, including thermal analyses (thermogravimetry-TGA, differencial scanning calorimetry-DSC, and dynamic thermal-mechanical analysis-DMTA) and mechanical tests (tensile, flexural, and impact). As indicated by the static test results, the modulus and strength of the prepared composites were slightly improved; however, the stiffness of the prepared materials was more related to the presence of the CF-reinforced filament than the presence of the composite prepreg. The main advantage of using the developed method is revealed during impact tests. Due to the presence of long LCP fibers, the prepared sandwich samples are characterized by very high impact resistance. The impact strength increased from 1.7 kJ/m
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