First Measurements of Time-Dependent Nucleation as a Function of Composition in Na2o.2cao.3sio2 Glasses
Author:   National Aeronaut Administration (Nasa)
Publisher:   Createspace Independent Publishing Platform
ISBN:  

9781722238452


Pages:   32
Publication Date:   03 July 2018
Format:   Paperback
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First Measurements of Time-Dependent Nucleation as a Function of Composition in Na2o.2cao.3sio2 Glasses


Overview

The first measurements in any system of the composition dependence of the time-dependent nucleation rate are presented Nucleation rates of the stoichiometric crystalline phase, Na2O.2CaO.3SiO2, from quenched glasses made with different SiO2 concentrations were determined as a function of temperature and glass composition. A strong compositional dependence of the nucleation rates and a weak dependence for the induction times are observed. Using measured values of the liquidus temperatures and growth velocities as a function of glass composition, these data are shown to be consistent with predictions from the classical theory of nucleation, assuming a composition-dependent interfacial energy. Kelton, K. F. and Narayan, K. Lakshmi Marshall Space Flight Center NCC8-849; NCC8-858; NAG8-873...

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Author:   National Aeronaut Administration (Nasa)
Publisher:   Createspace Independent Publishing Platform
Imprint:   Createspace Independent Publishing Platform
Dimensions:   Width: 21.60cm , Height: 0.20cm , Length: 27.90cm
Weight:   0.100kg
ISBN:  

9781722238452


ISBN 10:   1722238453
Pages:   32
Publication Date:   03 July 2018
Audience:   General/trade ,  General
Format:   Paperback
Publisher's Status:   Active
Availability:   Available To Order   Availability explained
We have confirmation that this item is in stock with the supplier. It will be ordered in for you and dispatched immediately.

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