Electrolysis: processes – compositions used therein – and methods – Electrolytic synthesis – Utilizing ac or specified wave form other than pure dc
Patent
1994-06-09
1997-02-18
Gorgos, Kathryn
Electrolysis: processes, compositions used therein, and methods
Electrolytic synthesis
Utilizing ac or specified wave form other than pure dc
205508, 205538, C25B 124
Patent
active
056038194
ABSTRACT:
The present invention provides a method for preparing irreversible linear aggregates (fibrils) of metal oxide powders by utilizing static or pulsed DC electrical fields across a relatively non-conducting liquid solvent in which organometal compounds or silicon alkoxides have been dissolved. The electric field is applied to the relatively non-conducting solution throughout the particle formation and growth process promoting the formation of either linear aggregates (fibrils) or spherical shaped particles as desired. Thus the present invention provides a physical method for altering the size, shape and porosity of precursor hydrous metal oxide or hydrous silicon oxide powders for the development of advanced ceramics with improved strength and insulating capacity.
Basaran Osman A.
Brunson Ronald R.
Harris Michael T.
Sisson Warren G.
Adams Harold W.
Gorgos Kathryn
Harang Bruce E.
Martin Marietta Energy Systems Inc.
Mee Brendan
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