| 不同溶液长期浸泡下大流动性磷酸钾镁水泥基防腐涂层的性能 |
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| 引用本文： | 韩超,杨建明,单春明,吴庆,何富强.不同溶液长期浸泡下大流动性磷酸钾镁水泥基防腐涂层的性能[J].硅酸盐通报,2021,40(1):48-54. |
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| 作者姓名： | 韩超 杨建明 单春明 吴庆 何富强 |
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| 作者单位： | 江苏科技大学土木工程与建筑学院,镇江 212000;盐城工学院土木工程学院,盐城 224051;盐城幼儿师范高等专科学校建筑工程学院,盐城 224005;厦门理工学院土木工程与建筑学院,厦门 361000 |
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| 基金项目： | 国家自然科学基金面上项目(51578475);2019年度江苏省高等学校自然科学研究面上项目(19KJB560025) |
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| 摘 要： | 为了探究大流动性磷酸钾镁水泥(MKPC)基防腐涂层在不同溶液环境下的性能,将大流动性磷酸钾镁水泥浸泡于淡水、5%硫酸钠溶液及3.5%氯化钠溶液(同为质量分数)三种腐蚀环境下,测试其强度、干缩率、吸水率,从而建立长期浸泡下性能劣化规律模型,并且以SEM-EDS、XRD对MKPC基防腐涂层在长期浸泡下的腐蚀机理进行分析。结果表明大流动性MKPC在淡水环境下耐腐蚀性能较好,在3.5%氯化钠溶液和5%硫酸钠溶液环境下耐腐蚀性能更好。
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| 关 键 词： | 磷酸镁钾水泥(MKPC) 防腐涂层 水玻璃 耐水性 长期浸泡 |
| 收稿时间： | 2020-08-17 |
Performance of Magnesium Potassium Phosphate Cement-BasedAnticorrosive Coating with High Fluidity under Long-TermSoaking in Different Solutions |
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| HAN Chao,YANG Jianming,SHAN Chunming,WU Qing,HE Fuqiang.Performance of Magnesium Potassium Phosphate Cement-BasedAnticorrosive Coating with High Fluidity under Long-TermSoaking in Different Solutions[J].Bulletin of the Chinese Ceramic Society,2021,40(1):48-54. |
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| Authors: | HAN Chao YANG Jianming SHAN Chunming WU Qing HE Fuqiang |
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| Affiliation: | 1. College of Civil Engineering and Architecture,Jiangsu University of Science and Technology,Zhenjiang 212000,China; 2. College of Civil Engineering,Yancheng Institute of Technology,Yancheng 224051,China; 3. College of Architectural Engineering,Yancheng Kindergarten Teachers College,Yancheng 224005,China; 4. College of Civil Engineering and Architecture,Xiamen University of Technology,Xiamen 361000,China |
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| Abstract: | In order to explore the performance ofmagnesium potassium phosphate cement (MKPC)-based anticorrosive coating with high fluidity in different solution environments,the strength,dry shrinkage and water absorption of MKPC-based anticorrosive coating were tested by immersion in fresh water,5% sodium sulfate solution and 3.5% sodium chloride solution (both are mass fraction).In addition,the corrosion mechanism of MKPC-based anticorrosive coating under long-term soaking was analyzed by SEM-EDS and XRD.The results show that the high fluidity MKPC has good corrosion resistance in fresh water environment,and better corrosion resistance in 3.5% sodium chloride solution and 5% sodium sulfate solution. |
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| Keywords: | magnesium potassium phosphate cement (MKPC) anticorrosive coating water glass water resistance long-term soaking |
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