Graphite electrode and method of making

Details Graphite electrode and method of making Graphite electrode and method of making

1976-05-11

1977-12-06

Padgett, Benjamin R.

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252502, 204294, 201 5, H01B 106

Patent

active

040616002

ABSTRACT:
Coke intended for use in graphitized articles such as graphite electrodes is thermally desulfurized and made more ordered by heating in the absence of air at a temperature between about 1600.degree. C and 2200.degree. C for a period of at least one hour before the particles are mixed with binder. Coke processed in this manner yields graphite electrodes of superior flexural strength and having lower coefficients of thermal expansion.

REFERENCES:
patent: 3369871 (1968-02-01), Hardy et al.
patent: 3506745 (1970-04-01), Juel et al.
patent: 3853793 (1974-12-01), Brown et al.

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