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Dr. Beata Anwajler

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Faculty of Mechanical and Power Engineering, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
Interests: traffic engineering; composites; prototyping; food preservation; material characterization; 3D printing; food production; materials; nanomaterials; porous Materials
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Prof. Dr. Anna Witek-Krowiak

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Department of Advanced Material Technologies, Faculty of Chemistry, Wroclaw University of Science and Technology, Wroclaw, Poland
Interests: encapsulation; biopolymers; hydrogel; solid waste management; sorption; fertilizers; waste; waste management; wastewater treatment; environment;
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Dr. Piotr Szulc

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Department of Energy Conversion Engineering, Faculty of Mechanical and Power Engineering, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27 St., 50-370 Wrocław, Poland
Interests: energy storage; thermal engineering; renewable energy technologies; heat exchangers
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Special Issue Information

Dear Colleagues,

A new Special Issue entitled Advances in Functional Polymers and Composites for 3D Manufacturing, Insulation and Energy Storage is dedicated to functional polymers and composites in 3D printing, insulation and energy storage for producing novel materials, structures and devices. Three-dimensional (3D) printing has attracted increasing attention in recent years and is recognised worldwide as one of the most promising and revolutionary manufacturing technologies. Although the field is growing rapidly due to significant technological advances, research into polymers and composites remains at the heart of the area and is crucial to the future development of 3D manufacturing. Smart polymers and nanocomposites, which respond to external stimuli by changing their properties and structure, are an essential group of materials that hold great promise for manufacturing sensors, actuators, robots, insulation and energy storage devices. In addition, there is a growing interest in studying functional materials, e.g., of biological origin, to meet the ever-increasing demand for their production. In this Special Issue, we aim to review the latest advances in the science and engineering of functional polymers and composites, which have attracted increasing attention due to their potential technological applications. The main objective is to link performance and functionality to the fundamental properties, chemistry and physics of the materials, as well as to the characteristics of the process, to provide a multidisciplinary view and a deeper understanding of the topic.

This Special Issue aims to offer an interdisciplinary forum to discuss the latest research developments in materials and structures and provide a vision for future research.

We look forward to receiving your contributions.

Dr. Beata Anwajler
Prof. Dr. Anna Witek-Krowiak
Dr. Piotr Szulc
Guest Editors

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

3D printing
sustainable materials
metamaterial
biocomposite
lattice structures
polymer composite
biopolymer
energy storage
insulations

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Research

19 pages, 6604 KiB

Open AccessArticle

The Potential of 3D Printing in Thermal Insulating Composite Materials—Experimental Determination of the Impact of the Geometry on Thermal Resistance

by Beata Anwajler, Jerzy Szołomicki, Paweł Noszczyk and Michał Baryś

Materials 2024, 17(5), 1202; https://doi.org/10.3390/ma17051202 - 05 Mar 2024

Viewed by 784

Abstract

This paper focuses on the analysis of the thermal properties of prototype insulation structures produced using SLS and SLA additive technologies. There is a noticeable lack of analysis in the scientific literature regarding the geometry of 3D-printed structures in terms of their thermal properties. The aim of this paper was to analyze printed samples of prototype thermal insulation composite structures and their potential for use in building applications. The research material consisted of closed and open cell foams of varying structural complexity. Increasing the complexity of the composite core structure resulted in a statistically significant decrease in the value of the thermal conductivity coefficient λ and the heat transfer coefficient U, and an increase in the thermal resistance Rc. The experimental results showed that the geometric structure of the air voids in the material is a key factor in regulating heat transfer. The control of porosity in materials produced by additive technology can be an effective tool for designing structures with high insulation efficiency. The best performance of the prototype materials produced by the SLS method was a three-layer cellular composite with a gyroid core structure. It was also shown that the four-layer gyroid structure panels with an outer layer of metallized polyethylene film produced using 3D SLA printing had the best thermal insulation. As a result, the analysis confirmed the possibility of producing energy-efficient insulation materials using 3D printing. These materials can be used successfully in construction and other industries. Further research will significantly improve the quality, accuracy, and speed of printing insulation materials, reduce the negative impact on the natural environment, and develop intelligent adaptive solutions. Full article

(This article belongs to the Special Issue Advances in Functional Polymers and Composite for 3D Manufacturing, Insulations and Energy Storage)

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