Hydration of Tricalcium and Dicalcium Silicate Mixtures Studied Using Quasielastic Neutron Scattering

2005 ◽  
Vol 109 (30) ◽  
pp. 14449-14453 ◽  
Author(s):  
Vanessa K. Peterson ◽  
Dan A. Neumann ◽  
Richard A. Livingston
Keyword(s):  
Neutron Scattering ◽  
Dicalcium Silicate ◽  
Quasielastic Neutron ◽  
Quasielastic Neutron Scattering

Inelastic neutron scattering investigation of hydrating tricalcium and dicalcium silicate mixture pastes: Ca(OH)2 formation and evolution of strength

2006 ◽  
Vol 21 (7) ◽  
pp. 1836-1842 ◽  
Author(s):  
Vanessa K. Peterson ◽  
Dan A. Neumann ◽  
Richard A. Livingston
Keyword(s):  
Neutron Scattering ◽  
Inelastic Neutron Scattering ◽  
Vibrational Mode ◽  
Inelastic Neutron ◽  
Dicalcium Silicate ◽  
Strength Testing ◽  
Hydration Products ◽  
Quasielastic Neutron ◽  
Quasielastic Neutron Scattering ◽  
Formation And Evolution

The hydration of controlled tricalcium and dicalcium silicate mixtures was investigated using inelastic neutron scattering. The amount of Ca(OH)2 produced by each mixture was quantified based on the vibrational mode at approximately 41 meV. The results of compressive strength testing correlate with the amount of Ca(OH)2 produced and with previous results from quasielastic neutron scattering. These results establish a link between hydration mechanics and the evolution of hydration products leading to desirable properties, such as strength.

Interactions of Hydrating Tricalcium and Dicalcium Silicate using Time-Resolved Quasielastic Neutron Scattering

2004 ◽  
Vol 840 ◽  
Author(s):  
Vanessa K. Peterson ◽  
Dan A. Neumann ◽  
Richard A. Livingston
Keyword(s):  
Neutron Scattering ◽  
Growth Period ◽  
Dicalcium Silicate ◽  
Reaction Products ◽  
Time Resolved ◽  
Hydration Rate ◽  
Two Factors ◽  
Quasielastic Neutron ◽  
Hydration Model ◽  
Quasielastic Neutron Scattering

ABSTRACTHydrating tricalcium and dicalcium silicate mixtures were studied using time-resolved quasielastic neutron scattering. Application of a hydration model allowed the extraction of several parameters describing the hydration mechanics. The hydration rate during the nucleation and growth period, diffusivity during the diffusion limited regime, and the maximum amount of product able to be formed were not related linearly to the mixture combinations. Addition of dicalcium silicate at approximately 20 wt. % caused a sharp alteration to these parameters, including reduced hydration rate and reaction layer permeability. These two factors lead to the prediction that more reaction products would be ultimately manufactured during the reactions at this composition.

scholarly journals High Hydrogen Mobility in an Amide–Borohydride Compound Studied by Quasielastic Neutron Scattering

2021 ◽  
pp. 2100620
Author(s):  
Neslihan Aslan ◽  
Gökhan Gizer ◽  
Claudio Pistidda ◽  
Martin Dornheim ◽  
Martin Müller ◽  
...  
Keyword(s):  
Neutron Scattering ◽  
High Hydrogen ◽  
Quasielastic Neutron ◽  
Quasielastic Neutron Scattering
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