Vanessa Kate Peterson

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QENS data collection & treatment Scattered neutrons: Energy and momentum Incident neutrons, 4.8 Å At high Q, QENS spectrum is Q independent. Data averaged over a Q range (1.9–2.4 Å −1 ): - focus on rotational dynamics of water. - increase the signal-to-noise ratio
QENS: Following the hydrogen Ca 3 SiO 5 + (3 + y – x)H 2 O (CaO) x (SiO 2 )(H 2 O) y + (3 - x)Ca(OH) 2 Total Hydrogen = Bound + Constrained + Free +
Page 1 and 2: Studying the Structure and Hydratio
Page 3 and 4: What is cement clinker • Tricalc
Page 5: QENS: NIST Center for Neutron Resea
Page 9 and 10: Quantitative determination of H: pr
Page 11 and 12: Experimental: QENS sample preparati
Page 13 and 14: Following hydration: BWI with time
Page 15 and 16: QENS: Hydration of tricalcium silic
Page 17 and 18: Kinetic parameters of the hydration
Page 19 and 20: QENS: Hydration of C 3 S forms QENS
Page 21 and 22: Sucrose: known hydration retarder
Page 23 and 24: Sucrose - Kinetic Parameters H 2 O
Page 25 and 26: 0.33 Comparison of Calorimetry and
Page 27 and 28: Small Angle Neutron Scattering and
Page 29 and 30: Sucrose added to different C 3 S fo
Page 31 and 32: Hydration of mixtures QENS data and
Page 33: Interaction of tricalcium and dical
Page 36 and 37: Application of inelastic neutron sc
Page 38 and 39: Ca(OH) 2 amount with mixture compos
Page 40 and 41: Strength correlates with QENS resul
Page 42 and 43: Future directions for QENS and ceme
Page 44 and 45: 1. Derive new parameters from QENS
Page 46 and 47: 2. Couple kinetics with tricalcium
Page 48 and 49: 3. Study kinetics of formation of t
Page 50 and 51: Neutron Zoo at OPAL Platypus (Refl
Page 52 and 53: Acknowledgements US Department of T

Vanessa Kate Peterson

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