GRAPHITE ELECTRODE AND THEIR PRODUCTION
Assignee
UNION CARBIDE CORPORATION, A CORPORATION OF NEW YORK
Filed
Oct 22, 1985
Granted
May 9, 1995
Location
STRONGSVILLE OH US
Abstract
A unitary composite structure having improved flexural strength and a reduced coefficient of thermal expansion comprising a heterogeneous combination of a carbonaceous reinforcing material interbonded with a matrix material, wherein the said matrix material is a poorly graphitizing carbonaceous pitch containing polymerized and cross-linked aromatic components is disclosed. Graphite electrodes comprised of the poorly graphitized pitch matrix material acting as a binder and/or an impregnant are also disclosed. Processes for the preparation of the poorly graphitizing pitch, the composite structure, and particularly the graphite electrodes are disclosed as well.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Mar 31, 1986
Rescinded
Jul 16, 1993
Duration
7 years, 3 months
Inventor
- 1IRWIN C. LEWIS
Record Details
- Patent number
- US 5413738
- Application
- 06790236
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records