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July 1, 2026MaterialsOpen Access

Mechanical Properties, Hydration Mechanisms, and Microwave-Absorbing Properties of Alkali-Activated Blast-Furnace Slag Containing Steel Slag

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Authors

QWQ WangXPXiaotong PengYHYuxin He

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Overview

Randomized trial investigates microwave-absorbing properties in alkali-activated materials, suggesting innovative waste reuse strategies.

Key Points

  • This study aims to investigate the mechanical, hydration, and microwave-absorbing properties of alkali-activated materials with steel slag.
  • Employed alkali-activated blast-furnace slag as a matrix and incorporated steel slag as a functional component.
  • Analyzed compressive strength, workability, shrinkage characteristics, microstructure, and microwave-absorbing properties of the composite materials.
  • Evaluated the effects of various steel slag dosages on hydration and microwave absorption.
  • At 50% steel slag dosage, the 28-day drying shrinkage reached a minimum of 778 με.
  • The incorporation of steel slag enhanced the hydration process, contributing additional Ca2+ and OH− ions.
  • Achieved minimum reflection loss of -29.47 dB at 0.53 GHz with an effective thickness of 20 mm.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/6a44ae605cd2549c8bc43a5dhttps://doi.org/10.3390/ma19132761
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