Table 1 Parameters characterizing the translational motion of water in the capillary (C) and gel pores (G) for 28 days old OPC and SCSA 300 K, ΔE (FWHM) = 17.5 μeV. Values of bulk water as well as for OPC obtained with energy resolutions of 98 and 30 μeV are given, see Ref. 23 for details
From: Nano-scale hydrogen-bond network improves the durability of greener cements
Sample | t0 (ps) | Dt (10−9 m2/s) |
|---|---|---|
Bulk water | 1.57 ± 0.12 | 2.49 ± 0.07 |
OPC w/c = 0.4223 | 10 ± 1 | 1.24 ± 0.08 mainly C water |
51 ± 3 | 0.6 ± 0.1 mainly G water | |
OPC w/c = 0.45 | 2.1 ± 0.3 | 2.5 ± 0.4 for Γ1 |
32.3 ± 0.5 | 0.28 ± 0.04 for Γ2 | |
SCSA w/c = 0.45 | 2.21 ± 0.02 | 2.49 ± 0.02 for Γ1 |
41.9 ± 0.3 | 0.16 ± 0.01 for Γ2 |