Micropore size analysis in hydrated cement paste by NMR

被引：17
|
作者：
Plassais, A
Pomiès, MP
Lequeux, N
Boch, P
Korb, JP
机构：
[1] Ecole Super Phys & Chim Ind, CNRS, UMR 7574, Lab Ceram & Mat Mineraux, F-75005 Paris, France
[2] Ecole Polytech, CNRS, UMR 7643, Lab Phys Mat Condesee, F-91128 Palaiseau, France
来源：
MAGNETIC RESONANCE IMAGING | 2001年 / 19卷 / 3-4期
关键词：
C3S hydrated paste; nuclear magnetic relaxation; multiexponential relaxation; microporosity;
D O I：
10.1016/S0730-725X(01)00276-4
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
We present a time evolution of H-1 spin-lattice relaxation rates in the laboratory (1/T-1) and in the rotating frame (1/T-1 rho) of a synthetic cement paste. The typical results found for both rates allows us to follow the main hydration stages of the cement paste and the refinement of its microporosity. In particular the texturation of the porosity and the structuration of the surface of the material is evidenced. (C) 2001 Elsevier Science Inc. All rights reserved.
引用
收藏
页码：493 / 495
页数：3
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