Paper Summary
Paperzilla title
Turning Clay into Concrete: A Review of What Works (and What Doesn't)
Clay minerals can be used as precursors for alkali-activated materials (AAMs), alongside more established materials such as fly ash and slag. A variety of different clay minerals can be used, including kaolinite, halloysite, montmorillonite, and illite, either individually or in combination - but a "one size fits all" approach to activation will not work, as reactivity and phase formation depends on the clay's chemistry and mineralogy.
Possible Conflicts of Interest
None identified
Identified Weaknesses
A lot of review of previous literature, but little new research. Most of research is on individual or artificial mixtures of clay minerals, with relatively few studies on complex or lower purity clay resources.
Too much emphasis on comparing with other research, and not enough on evaluating clays as distinct systems. The focus on geopolymers makes it miss the wider relevance to other cementitious systems.
Rating Explanation
An average review paper. Provides a helpful synthesis of recent advances in alkali-activation of clays, and clearly identifies the opportunities and challenges. However, not a lot of new findings, and focus is narrow, specifically on forming geopolymers.
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File Information
Original Title:
Advances in alkali-activation of clay minerals
File Name:
1-s2.0-S0008884619313420-main.pdf
Uploaded:
July 14, 2025 at 06:56 AM
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