本文通过改进Hummers法制备氧化石墨烯(GO),利用傅里叶红外光谱(FTIR)表征GO,利用X-射线衍射(XRD)、水化热和SEM研究GO对粉煤灰水泥的水化和力学性能的影响.结果表明:GO的掺入提高了粉煤灰水泥砂浆的抗折和抗压强度,GO提高了粉煤灰水泥水化速率和能改善粉煤灰水泥浆体的微观结构.
参考文献
[1] | Gengying Li;Xiaozhong Wu.Influence of fly ash and its mean particle size on certain engineering properties of cement composite mortars[J].Cement and Concrete Research,20056(6):1128-1134. |
[2] | Gong, Kai;Pan, Zhu;Korayem, Asghar H.;Qiu, Ling;Li, Dan;Collins, Frank;Wang, Chien Ming;Duan, Wen Hui.Reinforcing Effects of Graphene Oxide on Portland Cement Paste[J].Journal of Materials in Civil Engineering,20152(2) |
[3] | Shenghua Lv;Yujuan Ma;Chaochao Qiu;Ting Sun;Jingjing Liu;Qingfang Zhou.Effect of graphene oxide nanosheets of microstructure and mechanical properties of cement composites[J].Construction and Building Materials,2013Dec.(Dec.):121-127. |
[4] | 吕生华;孙婷;刘晶晶;马宇娟;邱超超.氧化石墨烯纳米片层对水泥基复合材料的增韧效果及作用机制[J].复合材料学报,2014(3):644-652. |
[5] | Chuah, Samuel;Pan, Zhu;Sanjayan, Jay G.;Wang, Chien Ming;Duan, Wen Hui.Nano reinforced cement and concrete composites and new perspective from graphene oxide[J].Construction and Building Materials,2014Dec.30(Dec.30):113-124. |
[6] | Horszczaruk, Elzbieta;Mijowska, Ewa;Kalenczuk, Ryszard J.;Aleksandrzak, Malgorzata;Mijowska, Sylwia.Nanocomposite of cement/graphene oxide - Impact on hydration kinetics and Young's modulus[J].Construction and Building Materials,2015Mar.1(Mar.1):234-242. |
[7] | Shang, Yu;Zhang, Dong;Yang, Chao;Liu, Yanyun;Liu, Yong.Effect of graphene oxide on the rheological properties of cement pastes[J].Construction and Building Materials,2015Oct.15(Oct.15):20-28. |
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