Mechanochemical Processing of Ultrafine Steel Slag Powders

Xiao Yu Li; Tian Cheng Liu; Jing Ouyang; Hua Ming Yang

doi:10.4028/www.scientific.net/AMR.763.211

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 763Mechanochemical Processing of Ultrafine Steel Slag...

Mechanochemical Processing of Ultrafine Steel Slag Powders

Abstract:

Mechanical grinding of steel slag is investigated and characterized using X-ray diffraction and size analyzer. The results indicate that the obtained ultrafine powders contain active mineral phases suitable for ordinary Portland cement (OPC)-Ca(OH)₂, 2CaO·SiO₂, 2CaO·Fe₂O₃. We have proved and first pointed out that the steel slag induces phase transition during grinding process and the Blaine specific surface is related to the fineness of powders and the phase transition of Ca(OH)₂ in powders system. The ground ultrafine steel slag powders are applied for the high-performance concrete.

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Periodical:

Advanced Materials Research (Volume 763)

Pages:

211-215

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.763.211

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Online since:

September 2013

Authors:

Xiao Yu Li, Tian Cheng Liu, Jing Ouyang, Hua Ming Yang

Keywords:

Concrete, Mechanochemical Grinding, Phase Transition, Steel Slag, Ultrafine Powders

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