Skip to main content Accessibility help
×
Home

High Strength, Porous, Brittle Materials

  • J. S. Haggerty (a1), A. Lighfoot (a1), J. E. Ritter (a2) and S. V. Nair (a2)

Abstract

Contrary to existing models, strengths need not be a strong function of porosity for intermediate density, brittle materials. Flaw sizes can remain small (<50μm) if the void space is distributed uniformly in minimum dimension pores. For RBSN, fracture toughness decreases linearly with porosity for 0< porosity <40%. Strains to failure and specific strengths of these materials are higher than fully dense counterparts.

Copyright

References

Hide All
1. Ryshkewitch, E., J. AM. CERAM. SOC. 36 (2), 6568 (1953).
2. Rice, R.W., McKinney, K.R., Wu, C. Cm., Freiman, S.W., and Donough, W.J.M., J. MAT. SCl. 20, 13921406 (1985).
3. Ashby, M.F., METAL. TRANS. A, Volume 14A, pp. 1755–69, (1983).
4. Nielsen, L.F., J. AM. CERAM. SOC. 73 (9), 2684–89 (1990).
5. Gent, A.N. and Thomas, A.G., RUBBER CHEM. AND TECH. 36 (1), 596610 (1963).
6. Rice, R.W., J. AM. CERAM. SOC. 59 (11–12), 536–7 (1976).
7. Woignier, T. and Phalippou, J., J. NON-CRYSTALLINE SOLIDS 100, 404–8 (1988).
8. Green, D.J., J. AM. CER. SOC. 66 (4), 288292 (1983).
9. Haggerty, J.S., Lightfoot, A., Ritter, J.E., Nair, S.V. and Gennari, P., Ceramic Engineering and Science Proceedings 9 (7–8), 1073–77 (1988).
10. Flint, J.H. and Haggerty, J.S., AEROSOL SCI. AND TECH. 12, 7284 (1990).
11. Sheldon, B. W., The Formation of Reaction Bonded Silicon Nitride From Silane Derived Silicon Powders, Sc.D. Thesis, Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, January 1989.
12. Sheldon, B.W. and Haggerty, J.S., Ceramic Engineering and ScienceProceedings 10 (7–8), 784793 (1989).
13. Ritter, J.E., Nair, S.V., Gennari, P.A., Dunlay, W.A., Haggerty, J.S., and Garvey, G.J., ADV. CERAM. MAT. 1 (4), 415417 (1988).
14. Lightfoot, A., Ker, H.L., Haggerty, J.S., and Ritter, J.E., Ceramic Engineering and Science Proceedings. 11. (7–8), 842856 (1990).
15. Yang, J.-M., Kao, W.H., and Liu, C.T., MATLS. SCIENCE AND ENGG. A107, 8191 (1989).
16. Haggerty, J.S., Lightfoot, A., Ritter, J.E., Gennari, P.A., and Nair, S.V., J. AM. CER. SOC. 72 (9), 1675–79 (1989).

High Strength, Porous, Brittle Materials

  • J. S. Haggerty (a1), A. Lighfoot (a1), J. E. Ritter (a2) and S. V. Nair (a2)

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed