Probing Nanostructure of Calcium Silicate Hydrate by AFM and Nanoindentation

机译：用原子力显微镜和纳米压痕技术探测水合硅酸钙的纳米结构

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It is important to study the nanostructure and mechanical properties of calcium silicate hydrate at the nanoscale for it is the main binding phase in Portland cement paste. In this paper, atomic force microscopy and nanoindentation (NI) were combine used to determine the morphology and mechanical properties of Calcium Silicate Hydrate (C-S-H) at microscale. It is found that C-S-H is made of globules from size of 50 nm to 300 nm irrelevant with water-to-cement ratio and ages in nanostructure, and we suggest that the maximum load for NI testing of the C-S-H is no more than 2 mN.

机译：研究水合硅酸钙的纳米结构和力学性能非常重要，因为它是硅酸盐水泥浆的主要粘结相。本文结合原子力显微镜和纳米压痕（NI）来测定水合硅酸钙（C-S-H）的形貌和力学性能。已发现C-S-H由尺寸为50 nm至300 nm的小球组成，与水灰比和纳米结构的年龄无关，我们建议对C-S-H进行NI测试的最大负荷不超过2 mN。

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来源
《Testing and evaluation of advanced building materials》|2012年|80-83|共4页
会议地点 Shanghai(CN)
作者
Kang LIANG; Wu YAO; Linjie CHEN; Qun GAO;
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作者单位

College of Economics Management, Nanjing Institute of Industry Technology, Nanjing 210046, China;

Institute of Smart Construction Materials, School of Materials Science and Engineering, Tongji University, Shanghai 200092, China;

College of Economics Management, Nanjing Institute of Industry Technology, Nanjing 210046, China;

College of Economics Management, Nanjing Institute of Industry Technology, Nanjing 210046, China;

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正文语种 eng
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关键词
Calcium Silicate Hydrate; Cement paste; Nanoindentation; Atomic force microscopy; Nanostructure;

机译：水合硅酸钙;水泥浆纳米压痕原子力显微镜；纳米结构;

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1. Magnesium and calcium silicate hydrates, Part I: Investigation of the possible magnesium incorporation in calcium silicate hydrate (C-S-H) and of the calcium in magnesium silicate hydrate (M-S-H) [J] . Bernard Ellina, Lothenbach Barbara, Cau-Dit-Coumes Celine, Applied Geochemistry: Journal of the International Association of Geochemistry and Cosmochemistry . 2018,第期

机译：镁和硅酸钙水合物，第一部分：研究可能的镁掺入硅酸钙水合物（C-S-H）和硅酸镁水合物中的钙（M-S-H）
2. Effect of calcium-silicon ratio on microstructure and nanostructure of calcium silicate hydrate synthesized by reaction of fumed silica and calcium oxide at room temperature [J] . Yongjia He, Linnu Lu, Leslie J. Struble, Materials and structures . 2014,第1a2期

机译：硅钙比对气相法二氧化硅和氧化钙室温合成水合硅酸钙微观结构和纳米结构的影响
3. Composition, silicate anion structure and morphology of calcium silicate hydrates (C-S-H) synthesised by silica-lime reaction and by controlled hydration of tricalcium silicate (C3S) [J] . Rodriguez E. Tajuelo, Richardson I. G., Black L., Advances in Applied Ceramics . 2015,第7期

机译：通过硅石-石灰反应和可控水合硅酸三钙（C3S）合成的水合硅酸钙（C-S-H）的组成，硅酸根阴离子结构和形态
4. Probing Nanostructure of Calcium Silicate Hydrate by AFM and Nanoindentation [C] . Kang LIANG, Wu YAO, Linjie CHEN, National Academic symposium on testing and evaluation of building materials . 2013

机译：AFM和纳米狭窄硅酸钙水合物探测纳米结构
5. Predictive Mechanical Characterization of Macro-Molecular Material Chemistry Structures of Cement Paste at Nano Scale - Two-phase Macro-Molecular Structures of Calcium Silicate Hydrate, Tri-Calcium Silicate, Di-Calcium Silicate and Calcium Hydroxide [D] . Padilla Espinosa, Ingrid Marcela 2015

机译：纳米尺度水泥浆大分子材料化学结构的预测力学表征-水合硅酸钙，硅酸三钙，硅酸二钙和氢氧化钙的两相大分子结构
6. Hydration of dicalcium silicate and diffusion through neo-formed calcium-silicate-hydrates at weathered surfaces control the long-term leaching behaviour of basic oxygen furnace (BOF) steelmaking slag [O] . Douglas I. Stewart, Andrew W. Bray, Gideon Udoma, -1

机译：硅酸二钙的水合和在风化表面通过新形成的硅酸钙水合物的扩散控制了碱性氧气炉（BOF）炼钢渣的长期浸出行为
7. The nanogranular origin of concrete creep : a nanoindentation investigation of microstructure and fundamental properties of calcium-silicate-hydrates [O] . Vandamme Matthieu 2008

机译：混凝土蠕变的纳米粒子起源：纳米压痕研究硅酸钙水合物的微观结构和基本性质

Probing Nanostructure of Calcium Silicate Hydrate by AFM and Nanoindentation

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