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纳米压痕研究含矿渣硬化浆体C-S-H凝胶的特性 被引量:10

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摘要 利用纳米压痕技术研究水泥-矿渣复合胶凝材料硬化浆体C–S–H凝胶的特性,并结合SEM附带的EDS分析C–S–H凝胶的元素构成.纳米压痕测试结果显示,随着龄期的延长,各试样中LDC–S–H凝胶的体积含量逐渐减少,HDC–S–H凝胶的体积含量逐渐增加,说明水化后期,生成的C–S–H凝胶以HDC–S–H凝胶为主;随着矿渣的掺入和掺量的增大,试样中HDC–S–H凝胶体积含量越大,表明矿渣生成的凝胶主要为HDC–S–H凝胶.EDS能谱分析表明,两种C–S–H凝胶的化学组成相似,与其Ca/Si比无关.
出处 《中国科学:技术科学》 EI CSCD 北大核心 2013年第8期912-920,共9页 Scientia Sinica(Technologica)
基金 国家重点基础研究发展计划(批准号:2009CB623106) 国家自然科学基金-广东省联合重点(批准号:U1134008)资助项目
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