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Advancements in Sustainable Composite Materials: From Innovative Technologies to Eco-Friendly Design—2nd Edition

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Materials".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 1283

Special Issue Editors


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Guest Editor
1. Laboratory of Advanced Materials and Devices, School of Physics, Aristotle University of Thessaloniki, GR-54636 Thessaloniki, Greece
2. Department of Chemistry, University of Ioannina, P.O. Box 1186, GR-45110 Ioannina, Greece
Interests: sustainable material science; sustainable composites; thermal properties; crystallization; degradation; kinetics; structural characterization
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
Interests: green engineering; sustainability; renewable raw materials; bioresources and biopolymers; biorefinery; biobased materials and chemicals; polymer engineering; thermal processes; thermal analysis; polymer wastes; biodegradation; recycling
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue, titled "Advancements in Sustainable Composite Materials: From Innovative Technologies to Eco-Friendly Design—2nd Edition", aims to address the growing academic interest in innovative and high-performance materials, with a focus on polymer composite materials. Composite materials have gained attention due to their excellent strength-to-weight ratios and wide-ranging applications across industries such as aerospace, automotive, electronics, construction, packaging, and medical devices. This Special Issue will emphasize both the exploration of new techniques for composite material production and the optimization of existing processes to obtain high-performance lightweight materials.

We invite contributions that cover various aspects of polymer composite materials, innovative technologies, and manufacturing processes. Authors are encouraged to present research on established manufacturing methods, as well as to explore new and innovative approaches. Additionally, this Special Issue welcomes the submission of research on coating technologies, fiber treatments, and materials that play a role in creating cost-effective and sustainable composite materials. This encompasses the exploration of surface coatings and treatments that enhance the performance or sustainability of composites, as well as the investigation of new materials that exhibit eco-friendly characteristics and can be incorporated into composite structures. The mechanical, thermal, microstructural, and morphological properties of these materials will also be explored.

Submissions related to topics such as bioplastics and microplastics, their synthesis and characterization, and their applications are also welcomed. By focusing on sustainable material science and material design, this Special Issue seeks to advance research and innovation in the development of composite materials that not only possess exceptional performance characteristics, but that also adheres to the principles of sustainability.

The aim of this Special Issue is to contribute to the creation of materials that are environmentally friendly, socially responsible, and economically viable, promoting a more sustainable future across industries.

We look forward to receiving your contributions.

Dr. Evangelia Tarani
Prof. Dr. George Z. Papageorgiou
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

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. Sustainability 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 2400 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

  • sustainable material science
  • material design
  • environmental friendliness
  • sustainable composites

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Published Papers (1 paper)

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Research

26 pages, 4662 KB  
Article
Eco-Efficient Geopolymer Bricks Without Firing and Mechanical Pressing
by Muhammad Hassan Javed, Qasim Shaukat Khan, Asad Ullah Qazi, Syed Minhaj Saleem Kazmi and Muhammad Junaid Munir
Sustainability 2026, 18(2), 762; https://doi.org/10.3390/su18020762 - 12 Jan 2026
Viewed by 788
Abstract
Kiln-fired clay bricks are energy-intensive and carbon-heavy. This study develops and validates kiln-free, pressure-free, and ambient-cured geopolymer (GPM) bricks made from uncalcined clay and Class F fly ash. A two-stage experimental program screened 33 mixes (12–16 M NaOH and 396 cubes tested at [...] Read more.
Kiln-fired clay bricks are energy-intensive and carbon-heavy. This study develops and validates kiln-free, pressure-free, and ambient-cured geopolymer (GPM) bricks made from uncalcined clay and Class F fly ash. A two-stage experimental program screened 33 mixes (12–16 M NaOH and 396 cubes tested at 14–90 days) and then scaled six optimized mixes to 90 full-size bricks for mechanical, durability, and microstructural evaluation. Bricks with an optimal mix of 20–30% clay and 70–80% fly ash achieved a compressive strength of up to 32.5 MPa, satisfying ASTM C62 (for severe weathering) requirements. Relative to fired clay units, GPM bricks delivered +61% average compressive strength (up to +91%), +56.5% average modulus of rupture (up to +103%), 6–29% lower water absorption, and 42–84% higher UPV while their strength losses after 28-day immersion in 5% H2SO4 or 3.5% NaCl were only ~3–5%. SEM confirmed a dense N-A-S-H gel matrix with reduced porosity. Eco-efficiency analysis showed ~95% lower embodied CO2 (0.26–0.31 vs. 5.5 kg eCO2 per brick) and ~35% lower cost per MPa of strength than fired clay bricks. The findings demonstrate a practical, low-carbon brick manufactured without mechanical pressing or heat curing, delivering verified performance and durability under ambient conditions. Full article
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