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CaF2对阿利特-硫铝酸锶钙水泥性能的影响

李秋英 芦令超 王守德

硅酸盐通报2011,Vol.30Issue(1):101-104,4.
硅酸盐通报2011,Vol.30Issue(1):101-104,4.

CaF2对阿利特-硫铝酸锶钙水泥性能的影响

Effect of CaF2 on the Performance of Alite-strontium Calcium Sulfoaluminate Cement

李秋英 1芦令超 1王守德1

作者信息

  • 1. 济南大学材料科学与工程学院,济南,250022
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摘要

Abstract

Alite-strontium calcium sulphoaluminate cement, a new type of cementitious material is synthesized by combining strontium calcium sulphoaluminate with minerals of Portland cement. The influence of CaF2 on the synthesis and performance of the cement is studied by XRD, SEM-EDS, and lithofacies. The results show that suitable amount of CaF2 can benefit f-CaO combination and promote the formation of alite and strontium calcium sulphoaluminate at low temperature. The optimal mass fraction of CaF2 is 0. 6%. The compressive strength of the cement prepared under these conditions reaches to 32.8 MPa, 67.7 MPa and 120.4 MPa at 1 d,3 d and 28 d.

关键词

CaF2/硫铝酸锶钙/阿利特/矿物形成

Key words

CaF2/ strontium calcium sulphoaluminate/ alite/ mineral formation

分类

化学化工

引用本文复制引用

李秋英,芦令超,王守德..CaF2对阿利特-硫铝酸锶钙水泥性能的影响[J].硅酸盐通报,2011,30(1):101-104,4.

基金项目

国家973计划(2009CB623101) (2009CB623101)

山东省自然科学基金(Y2008F49)资助项目 (Y2008F49)

硅酸盐通报

OA北大核心CSCDCSTPCD

1001-1625

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