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| Direct preparation of slurries for ceramic board |
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Ceramic-glass-metal composite
| Details |
Inventors: Mahulikar, Deepak; SinghDeo, Narendra N.;
Assignee: Olin Corporation (New Haven, CT)
Primary Examiner: Dixon, Jr.; William R.
Assistant Examiner: Brunsman; David M.
Attorney, Agent or Firm: Rosenblatt; Gregory S., Weinstein; Paul
The present invention is directed to a composite and process of forming the composite comprising metallic particles for enhancing the flow characteristics of said composite, a glass for adhering the composite together and the balance essentially ceramic particles. The composite has a matrix comprising the glass with the ceramic and metallic particles dispersed therein. The metallic particles are preferably present in the composite at a volume percentage so as to be discontinuously dispersed throughout. |
|
DETAILED DESCRIPTION We claim: 1.
A ceramic-glass metal composite, comprising: from about 5 to about 45 volume % of metallic particles for enhancing the flow characteristics of said composite; from about 15 to about 50 volume % of a glass for adhering said composite together; the balance essentially ceramic particles; said metallic particles substantially smaller than said glass or ceramic particles; and said composite having a structure comprising substantially a matrix of said glass with said ceramic and metallic particles dispersed therein.
2.
The composite of claim 1 including said ceramic particles comprising from about 20 to about 80 vol.
percent of said composite.
3.
The composite of claim 2 wherein said ceramic particles comprises from about 40 to about 65 vol.
percent of said composite.
4.
The composite of claim 2 including said ceramic particles being over about 1 micron in average diameter.
5.
The composite of claim 4 including said ceramic particles being from about 1 to about 200 microns in average diameter.
6.
The composite of claim 4 including said ceramic particles being selected from the group consisting of Al.
sub.
2 O.
sub.
3, SiC, BeO, TiO.
sub.
2, ZrO.
sub.
2, MgO, AlN, Si.
sub.
3 N.
sub.
4, BN and mixtures thereof.
7.
The composite of claims 1, 3 or 4 including said metallic particles being greater than about 0.
01 micron in average diameter.
8.
The composite of claim 4 including said metallic particles being from about 0.
01 to about 50 microns in average diameter.
9.
The composite of claims 1, 4 or 8 wherein said metallic particles are discontinuously dispersed throughout said composite.
10.
The composite of claims 1, 4 or 8 wherein said metallic particles are continuously dispersed throughout said composite.
11.
The composite of claim 8 wherein said metallic particles comprise effective amount up to less than about 25 volume percent of said composite and said metallic particles are discontinuously dispersed throughout said composite for providing electrically an insulating composite
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Manufacturing Materials 
