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Open Access

ISSN 2689-5846

© 2026 by the authors; CC BY 4.0 licence

Recent Progress in Materials , Volume 8 , Issue 2 (2026)

Pages: 72

Published: August 2026

(This book is a printed edition that was published in  Recent Progress in Materials)

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Cover Story: Recycled concrete aggregates (RCA) offer a sustainable alternative to natural aggregates. This paper reviews RCA production, material properties, concrete performance, and economic considerations. It highlights current knowledge, key challenges, and practical opportunities for the use of recycled materials in modern concrete construction. View this paper

Volume 8,Issue 2

Open Access Review

Recycled Concrete Aggregates: Production, Properties of RCA and RCA-Based Concrete, and Economic Considerations

Received: 10 February 2026;  Published: 15 June 2026;  doi: 10.21926/rpm.2602004

Abstract

The use of recycled concrete aggregate (RCA) offers a sustainable alternative to traditional virgin aggregates in concrete production, helping mitigate the environmental impacts associated with mining and construction waste disposal. RCA is characterized by the presence of attached mortar from previous concrete applications, which significantly influences the mechanical properties of the aggregates, as well as mix design and the overall performance of new concrete incorporating these recycled ma [...]

Open Access Review

Advances Toward In Vivo Cartilage Repair: A Comprehensive Review of Current Strategies and Future Directions

Received: 03 December 2025;  Published: 07 April 2026;  doi: 10.21926/rpm.2602003

Abstract

The cartilage is avascular and has limited regenerative capacity, posing a significant clinical challenge. Conventional treatments often do not restore hyaline cartilage, leading to progressive osteoarthritis. Recent advances in tissue engineering have focused on integrating biomaterials, stem cells, growth factors, and gene-delivery approaches. In addition, in vivo models serve as critical platforms for translational validation. Biomaterial scaffolds, including polycaprolac [...]
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