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用动态模量成像与纳米压痕技术对硬化水泥浆体中水化产物的识别和表征
作者:    梁思明 
单位:(清华大学土木工程系 土木工程安全与耐久教育部重点实验室 北京 100084) 
关键词:模量成像 原位纳米压痕 储能模量 压痕模量 水化产物层厚度 硬化水泥浆体 
分类号:TB321
出版年,卷(期):页码:2018,46(8):1043-1052
DOI:
摘要:
采用基于扫描探针显微镜的动态模量成像技术和原位纳米压痕技术,对普通硅酸盐水泥净浆和掺矿渣水泥净浆进行测试,识别硬化水泥浆体中的不同水化产物,并在无损情况下表征其微观结构特征与力学性能。借助于模量成像高精度的优势,定量表征了内部水化产物层的厚度。结果表明:同类型水化产物的模量不受掺入矿渣与否的影响;对于单一物相而言,同样反应弹性力学性质的储能模量和压痕模量基本相等。
 
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参考文献:
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