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Fractal Aspects of Ceramic Synthesis

Published online by Cambridge University Press:  28 February 2011

Dale W. Schaefer  and
Keith D. Keefer
Dale W. Schaefer
Affiliation:
Division 1152 and Division 1845, Sandia National Laboratories, P.O. Box 5800, Albuquerque, NM 87185
Keith D. Keefer
Affiliation:
Division 1152 and Division 1845, Sandia National Laboratories, P.O. Box 5800, Albuquerque, NM 87185
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Abstract

The concept of fractal geometry is used to describe the structure of silica polymers, colloidal aggregates, and critical systems. We illustrate the interpretation of scattering curves (X-ray, neutron and light) for fractal systems, and review simple growth models which generate fractal structures. We describe the polymerization of silica under various conditions and demonstrate that, depending on chemical conditions, polymerization maps onto simple fractal growth processes. The key factors which control growth are monomer-cluster vs. cluster-cluster growth, and reaction-limited vs. diffusion-limited growth.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 73: Symposium H – Better Ceramics Through Chemistry II , 1986 , 277
Copyright
Copyright © Materials Research Society 1986

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References

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