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Eco-Friendly Materials for Energy Efficiency in Building and Devices

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Construction and Building Materials".

Deadline for manuscript submissions: closed (10 December 2022) | Viewed by 2388

Special Issue Editors


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Guest Editor
School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs, QLD 4556, Australia
Interests: energy materials; Pb-free electrical interconnect; rapid solidification; thermal processing; structure–property
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs Drive, QLD 4556, Australia
Interests: sustainable structures and materials; building energy efficiency; timber structures and timber composites; timber durability; bamboo composites; GFRP-reinforced concrete; recycled materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The conversion of energy to work is the ultimate aim of all machines and devices. Sustainable energy sources are now of key importance in engineering practice aimed at minimizing losses and ensuring efficient conversion of primary energy to functional work. Energy consumption in buildings is primarily related to heating and cooling functions. Preventing losses are, therefore, directly related to effective insulations that thermally isolate the building. Material choices for insulation are usually targeted at achieving high thermal resistance. Since the primary aim is to reduce energy consumption, it naturally defaults to seeking materials that are eco-friendly in the theme of “Saving the earth, not at the expense of hurting the earth”. Therefore, in this Special Issue, we seek to address eco-friendly materials and devices to address strategies to achieve energy efficiency in buildings and devices.

We welcome papers with an ecofriendly theme or approach that considers the choice of eco-friendly materials or designs in building construction, design, materials selection, and applications in engineering devices.

Dr. Ayodele Olofinjana
Dr. Christophe Gerber
Guest Editors

Manuscript Submission Information

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Keywords

  • eco-friendly
  • insulations
  • greenhouse gas (GHG)
  • energy saving
  • R-value
  • bio-materials

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Published Papers (1 paper)

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Research

12 pages, 4532 KiB  
Article
Characteristics of Mortar Containing Oyster Shell as Fine Aggregate
by Ui-In Jung and Bong-Joo Kim
Materials 2022, 15(20), 7301; https://doi.org/10.3390/ma15207301 - 19 Oct 2022
Cited by 4 | Viewed by 1923
Abstract
In this study, oyster shells were processed and classified into sizes equal to or smaller than the fine aggregate threshold, and their engineering properties and fire-resistant performance were examined. The differences in heating weight loss of oyster shell aggregate (OSAs) with different particle [...] Read more.
In this study, oyster shells were processed and classified into sizes equal to or smaller than the fine aggregate threshold, and their engineering properties and fire-resistant performance were examined. The differences in heating weight loss of oyster shell aggregate (OSAs) with different particle sizes were examined using thermogravimetric analysis (TGA). The TGA results showed indicating that the temperature at which decarboxylation reaction started depended on the OSA particle size. The porosity of mortar specimens was analyzed using mercury intrusion porosimetry (MIP). The porosity area and porosity of the OSA-containing mortar increased with decreasing particle size. Mortar fire-resistant boards with heated for 2 h in accordance with the heating conditions of KS F 2257-1(methods of fire-resistant testing for structural element—general requirements) to measure their back-side temperature. The board made with OSA2.5 exhibited 273.2 °C, which is more than 90 °C higher than the back-side temperature of the board with OSA 0.6Under. Such difference was attributed to the greater heat transfer delay caused by higher porosity, porosity area, and specific surface area in OSAs with small particle sizes. The TGA results combined with the heating test results suggested that CO2 would be generated at different temperatures in boards containing OSAs with different particle sizes because of the differences in the endothermic reaction temperature. Full article
(This article belongs to the Special Issue Eco-Friendly Materials for Energy Efficiency in Building and Devices)
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