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Ligament Structure of Open-Cell Carbon Foams and the Construction of Models Based on That Structure

  • David P. Anderson (a1), Katie E. Gunnison (a1) and Joseph W. Hager (a2)

Abstract

The ligament structure of several open-cell carbon foams was examined by optical and electron microscopy. The arrangement, sizes, and shapes of the ligaments were measured and analyzed according to the cell sizes. The ligament lengths and cross-sections vary with the cell sizes in a simply scaled fashion. A models based on the observed dodecahedral-like arrangement of ligaments was constructed consisting of 12-, 14-, and 15-faced polyhedra with five-edged faces dominating.

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1. Hager, J. W. and Lake, M. L., presented at the 1992 MRS meeting, San Francisco, CA (1992) (in press).
2. Metha, R., Hager, J. W., and Anderson, D. P., presented at the 1991 AICHE national meeting, Los Angeles, CA (1991) (unpublished).
3. Metha, R., Hager, J. W., Anderson, D. P., and Gunnison, K. E., presented at the 1992 MRS meeting, San Francisco, CA (1992) (in press).
4. Sandhu, S. S. and Hager, J. W., presented at the 1992 MRS meeting, San Francisco, CA (1992) (in press).
5. Hager, J. W., presented at the 1992 MRS meeting, San Francisco, CA (1992) (in press).
6. Gibson, L. J. and Ashby, M. F., Cellular Solids: Structures & Properties, (Pergamon Press, New York 1988), pp. 1141.
7. Warren, W. E. and Kraynik, A. M., Mechanics of Materials, 6, 27 (1987); J. Appl. Mechanics 55, 341 (1988).

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