Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – With carbonizing – then adding carbonizable material and...
Patent
1981-07-27
1984-03-27
Lusignan, Michael R.
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
With carbonizing, then adding carbonizable material and...
264 296, 264 60, 264 63, 427113, 427294, 427226, 427227, 427399, 204294, 204 67, C25B 1104, C25C 312
Patent
active
044393822
ABSTRACT:
Titanium diboride graphite composite articles are produced by mixing TiO.sub.2, petroleum coke and a binder to form a plastic dispersion. Articles are shaped by molding or extrusion and baked to carbonize the binder to form a baked carbon-TiO.sub.2 composite. The article is impregnated with a molten or dispersed boron compound, then heated to drive TiB.sub.2 forming reaction. The article is then further heated to a graphitizing temperature to form a graphite-TiB.sub.2 composite useful as a cathode component in a Hall aluminum reduction cell.
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Billehaug, K. et al., "Inert Cathodes for Aluminium Electrolysis in Hall-Heroult Cells", Aluminium, vol. 56 (1980), pp. 642-648 and 713-718.
Joo Louis A.
McCown, Jr. Frank E.
Tucker Kenneth W.
Bueker Richard
Good Adrian J.
Great Lakes Carbon Corporation
Lusignan Michael R.
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