Hostname: page-component-586b7cd67f-r5fsc Total loading time: 0 Render date: 2024-11-25T17:51:46.202Z Has data issue: false hasContentIssue false

Microwave Sintering of Metal-Ceramic and Ceramic-Ceramic Composites

Published online by Cambridge University Press:  15 February 2011

T. Gerdes
Affiliation:
University Dortmund, Dept. Chem. Eng., D-44221 Dortmund
M. Whxert-Porada
Affiliation:
University Dortmund, Dept. Chem. Eng., D-44221 Dortmund
Get access

Abstract

Polyphase ceramic and metal ceramic composites with at least one high dielectric loss component are potential candidates for application of microwave sintering, because of the high effectiveness of power dissipation and short sintering times. In order to identify material parameters essential for effective microwave sintering, different mixtures of conductive, semiconductive and insulating phases were investigated. When only a limited amount of a highly dissipative component is present, a modification of the grain size and morphology of the dissipative phase has been identified as major factor leading to optimized microwave heating behavior. Surprisingly, microwave sintering is also possible in the presence of a metallic liquid phase.

Type
Research Article
Copyright
Copyright © Materials Research Society 1994

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

[1] Russel, E., Garland, J.C., Tanner, D.B., Phys Rev. 23, 632639 (1981)Google Scholar
[2] Schedler, W., Hartmetall für den Praktiker, VDI-Verlag Düsseldorf, 1988 Google Scholar
[3] Cutler, R., Hurford, A.C:, Mat. Sci. Eng. A105/106, 183192 (1988)Google Scholar
[4] Roy, R. et al., J. Mat. Sci. 24, 658670 (1989)Google Scholar
[5] Campisi, I. E., Summers, L.K., Finger, K.E., Johnson, A.M., MRS Symp Proc Vol 269 157162(1992)Google Scholar
[6] Ji-Ping, Cheng, CN 1050908 (1991)Google Scholar
[7] Hippel, A., Dielectrics and waves, M.I.T. Press Cambridge MA, 1954 Google Scholar
[8] Sutton, W.H., Cer. Bull., Vol. 68 No. 2, 376386 (1989)Google Scholar
[9] Fricke, M., Gerdes, T., unpublished workGoogle Scholar
[10] Bescher, E., Mackenzie, J.D., MRS Sym. Proc. Vol. 189 ‥, 557561 (1991)Google Scholar