Age-dependent dynamics of water in hydrated cement paste

被引：0
|
作者：
Fratini, E [1 ]
Chen, SH
Baglioni, P
Bellissent-Funel, MC
机构：
[1] MIT, Dept Nucl Engn, Cambridge, MA 02139 USA
[2] Univ Florence, Dept Chem, I-50121 Florence, Italy
[3] Univ Florence, CSGI, I-50121 Florence, Italy
[4] CEA Saclay, CNRS, Leon Brillouin Lab, F-91191 Gif Sur Yvette, France
来源：
PHYSICAL REVIEW E | 2001年 / 64卷 / 02期
关键词：
D O I：
暂无
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Self-dynamics of water molecules has been studied in hydrated tricalcium silicate as functions of temperature, aging, and in the presence of an additive. A dynamical model taking into account the existence of "immobile water" and "glassy water" has been used to analyze quasielastic neutron spectrometer spectra. We deduced the fraction of the immobile water (p), the stretch exponent (beta), and the average relaxation time ((r) over bar) of the glassy water. A quantitative picture for an aspect of the kinetics of the curing process and the structural relaxation parameters of the glassy water have been established.
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