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纳米压痕在水泥基材料中的应用与研究进展
作者:赵素晶 孙伟 
单位:东南大学材料科学与工程学院 江苏省土木工程材料重点试验室 南京 211189 
关键词:纳米压痕 压痕模量和硬度 水泥基材料 多相非匀质材料 水化硅酸钙凝胶 堆积密度 
分类号:TU502
出版年,卷(期):页码:2011,39(1):164-176
DOI:
摘要:

材料的宏观性能往往与它的微结构特征密不可分。作为一种尖端的测试技术,纳米压痕测得的是水泥基材料微结构中各相的本质力学特性。概述了纳米压痕的基本原理以及水泥基材料的样品制备方法和试验制度的确定,重点介绍了纳米压痕在水泥基材料中的研究进展,并对存在的一些问题尤其是定量分析中的问题进行了讨论。将纳米压痕和其他测试分析方法结合起来,对于分析和调控材料的宏观性能以及揭示水化硅酸钙(C-S-H)凝胶在纳米尺度的物理化学性能具有重要意义。

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The macro-performance of material is closely related to the micro-structure. As a cutting-edge testing technology, nanoindentation enables the acquisition of intrinsic mechanical properties of phases in the micro-structure of cement-based materials. The basic principle of nanoindentation, and the sampling of cement-based materials and the determination of a proper testing regime were summarized. Besides, recent work was represented, and some existing problems, especially quantitative analysis, were discussed. Combining nanoindentation with other advanced techniques could favor the regulation of the macro-behaviors of material and reveal the physical and chemical properties of C-S-H gel at nano-scale.

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基金项目:
国家“973”计划(2009CB623203)资助项目。
作者简介:
博士研究生
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参考文献:

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