Carbonation as revealed by the neutron and X-ray imaging datasets. (IMAGE)
Caption
X-ray and neutron images reveal carbonation as it progresses through cement paste. X-rays, top row, show the advancing carbonation front, while neutrons, bottom row, track changes in water content. The comparison shows that carbonation slows over time as water released by the reaction fills pores and restricts CO₂ transport.
Credit
Communications Materials (2026).
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