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Small Angle Neutron Scattering and Small Angle X-Ray Scattering from Bulk Microporous Silica

Published online by Cambridge University Press:  21 February 2011

G. G. Long ,
S. Krueger ,
D. R. Black ,
J. P. Cline ,
P. R. Jemian  and
R. A. Gerhardt
G. G. Long
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD 20899
S. Krueger
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD 20899
D. R. Black
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD 20899
J. P. Cline
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD 20899
P. R. Jemian
Affiliation:
Northwestern University, Evanston, IL 60208
R. A. Gerhardt
Affiliation:
Rutgers University, Piscataway, NJ 08855
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Abstract

The microstructure of low-density porous silica precursor (unsintered) bodies was studied as a function of starting chemistry. The ratio of colloidal silica sol to potassium silicate is known to have a marked effect on the size distribution of pores in this material, which in turn have a major impact on the resultant physical properties of the sintered product. In the present research, the sizes and the size distributions of particles underlying the pore microstructure was investigated, and it was found that the lower the amount of colloidal silica, the greater the size distribution of particle aggregates.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 166: Symposium J – Neutron Scattering for Materials Science , 1989 , 421
Copyright
Copyright © Materials Research Society 1990

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References

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