2018年4月1日 · TEM imaging revealed that in the absence of PCEs following a non-classical nucleation mechanism C-S-H initially precipitates as metastable, globular nanoparticles …

2023年8月15日 · TEM observation and schematic representation of the development of C-S-H morphology over time. The first row illustrates the gradual evolution of featureless C-S-H on …

2018年4月1日 · In our study, we investigated the very early nucleation of C-S-H (0–5 h) precipitated from Ca(NO 3) 2 and Na 2 SiO 3 solutions at a Ca/Si ratio of 1.0 in the presence …

Calcium silicate hydrate (C-S-H) is the binder in concrete, the most used synthetic material in the world. The main weakness of concrete is the lack of elasticity...

本文使用透射电子显微镜 (TEM) 系统地研究了白色波特兰水泥 (WPC) 浆体中 CSH 形态的发展。 早在混合后 60 秒，就可以在 WPC 颗粒表面观察到 CSH 凝胶。 在悬浮液中发现了四种典型 …

2012年12月24日 · 本文使用 tem 方法研究水泥早期(24 h 内)水化产物. 选取了 水泥早期水化过程中的几个特定时间点, 使用 tem, 同时结合 sem 和 xrd 及 edx 分析,

C-S-H seeding in Portland cements is well known from basic scientific works and field applications. Moreover, this activation approach could be beneficial for low-CO2 cements …

The CSH-C1 material created complex 2-dimensional agglomerates made from nano-sized flakes with a thickness of 6 nm ( Fig. 1e-h). It has been observed that this layered structure had …

2021年8月11日 · Optimising the mesoscale structure of calcium-silicate-hydrate (C-S-H) is critical to achieving durable and sustainable infrastructure using Portland cement concrete. However, …

硅酸钙水合物是水泥中最重要的水合物，对水泥基材料的性能有显着影响，但其成核机理尚不清楚。本文通过tem、xrd、ft-ir和29 si nmr观察了csh在合成过程中化学成分、结晶度、形貌和多尺 …