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Microstructure and Properties of Activated Slag Cement 被引量:1

Microstructure and Properties of Activated Slag Cement
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摘要 Activation of the slag cement was performed using a composite activator.Experimental results show that the performance of the cement is remarkably improved.The fineness and specific surface area of the cement are increased by 23.7% and 1.4%,and 3d flexural strength and compressive strength are enhanced by 20.9% and 22.9%,respectively.Microstructure and phase composition of the hydrates were analysed by X-ray diffraction(XRD) and scanning electron microscopy(SEM).The results indicate that Ca(OH) 2 in the hydrates decrease obviously.The morphology of the other hydrates appears to be flocculent,with a dense structure.The improvements of the properties is related to the microstructural changes. Activation of the slag cement was performed using a composite activator.Experimental results show that the performance of the cement is remarkably improved.The fineness and specific surface area of the cement are increased by 23.7% and 1.4%,and 3d flexural strength and compressive strength are enhanced by 20.9% and 22.9%,respectively.Microstructure and phase composition of the hydrates were analysed by X-ray diffraction(XRD) and scanning electron microscopy(SEM).The results indicate that Ca(OH) 2 in the hydrates decrease obviously.The morphology of the other hydrates appears to be flocculent,with a dense structure.The improvements of the properties is related to the microstructural changes.
作者 郭俊才
出处 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2004年第1期81-82,共2页 武汉理工大学学报(材料科学英文版)
关键词 ACTIVATOR slag cement PERFORMANCE MICROSTRUCTURE activator slag cement performance microstructure
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  • 1王爱勤 张承志 王肇嘉.激发胶凝材料一些问题的思考[A]..第一届全国化学激发胶凝材料研讨会论文集[C].南京:南京化工大学,2004.50-56. 被引量:2
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  • 3郭俊才.硅酸盐类水泥外部活化的研究[J].硅酸盐通报,1998,17(4):71-74. 被引量:6

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