| 低场核磁共振技术在水泥基材料研究中的应用及展望 |
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| 引用本文： | 孙振平,俞洋,庞敏,杨培强,俞文文,曹红婷. 低场核磁共振技术在水泥基材料研究中的应用及展望[J]. 材料导报, 2011, 25(7): 110-113 |
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| 作者姓名： | 孙振平 俞洋 庞敏 杨培强 俞文文 曹红婷 |
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| 作者单位： | 1. 同济大学先进土木工程材料教育部重点实验室,上海,200092
2. 上海纽迈电子科技有限公司,上海,200333 |
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| 基金项目： | 国家973基础研究项目(2009CB623104-5) |
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| 摘 要： | 阐述了低场核磁共振技术在水泥基材料研究中的应用现状,认为现有的研究主要集中于水泥水化进程和水在硬化浆体中的扩散特征,也包括对硬化水泥浆体孔结构和比表面积的测试。分析了低场核磁共振技术在实际应用中面临的挑战,展望了该技术在新拌水泥浆体结构性能研究中的应用前景。
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| 关 键 词： | 低场核磁共振 孔径分布 横向弛豫时间 硬化水泥浆体 |
Applications and Outlook of ~1H Low Field NMR Probing into Cement-based Materials |
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| SUN Zhenping,YU Yang,PANG Min,YANG Peiqiang,YU Wenwen,CAO Hongting. Applications and Outlook of ~1H Low Field NMR Probing into Cement-based Materials[J]. Materials Review, 2011, 25(7): 110-113 |
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| Authors: | SUN Zhenping YU Yang PANG Min YANG Peiqiang YU Wenwen CAO Hongting |
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| Affiliation: | SUN Zhenping1,YU Yang1,PANG Min1,YANG Peiqiang2,YU Wenwen2,CAO Hongting2(1 Key Laboratory of Advanced Civil Engineering Materials,Ministry of Education,Tongji University,Shanghai 200092,2 Shanghai Niumag Corporation,Shanghai 200333) |
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| Abstract: | The current applications of low field NMR in cement based materials are demonstrated.It is found that researches are focused on cement hydration and water diffusion in hardened cement paste,as well as pore size distribution and specific surface area of hydrated cement paste.Challenges in the current research are analyzed and the future applications of low field NMR in research on fresh cement paste are forecast. |
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| Keywords: | low field nuclear magnetic resonance pore size distribution transverse relaxation time hydrated cement paste |
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