Method of making a sol-gel glass body and removing same from mold
Files
Published version
Date
1996-11-26
DOI
Authors
Blonder, Greg
Rabinovich, Eliezer M.
Johnson, David W.
Frankenthal, Robert P.
Version
Published version
OA Version
Citation
Greg Blonder, Eliezer M. Rabinovich, David W. Johnson, Robert P. Frankenthal. "Method of making a sol-gel glass body and removing same from mold." U.S. Patent 5,578,101-A.
Abstract
The disclosed method of making a glass body by a sol/gel process comprises electrochemically assisted release of the gel body from the mold in which the body was formed. More specifically, the method involves gelation of a sol in a mold that comprises a first conductor member, with a second conductor member also being in contact with the sol and/or gel, and causing the flow of a current between the first and second conductor members, with the first member being the cathode. In consequence of the current flow a substantially liquid lubricating layer that facilitates removal of the gel body from the melt exists at the cathode/gel interface.