硅酸盐学报Issue(4)：486-493,8.DOI:10.7521/j.issn.0454-5648.2014.04.11
磷酸镁水泥基材料耐久性研究进展
Research Progresses on Durability of Magnesium Phosphate Cement Based Materials
摘要
Abstract
Magnesium phosphate cement based materials possess many advantages including small dry shrinkage,excellent re-sistance to abrasion and deicer-scaling or freezing and thawing,good resistance to steel corrosion and wetting-drying cycle and so on.It is suggested that dry shrinkage of magnesium phosphate cement based materials is greatly effected by water to binder ratio,surface activity of magnesium oxide,phosphate to magnesia ratio,retarder and addition of fly ash.Excellent resistance to deicer-scaling or freezing and thawing owe to small water to binder ratio and lots of enclosed pores inside.These enclosed pores may be caused by creation of carbon dioxide gas or evaporation of free water for hydration heat evolution.Magnesium phosphate cement based materials has weak resistance to water or acid and alkali corrosion which may be improved by improve-ment of retarder,increasing fineness of phosphate prolonging pre-curing time.关键词
磷酸镁水泥/修补材料/耐久性/耐水性Key words
magnesium phosphate cement/repair material/durability/water resistance分类
化学化工引用本文复制引用
常远,史才军,杨楠,杨建明..磷酸镁水泥基材料耐久性研究进展[J].硅酸盐学报,2014,(4):486-493,8.基金项目
国家自然科学基金项目(51378196,U1305243)资助 （51378196,U1305243）
