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Title: Method For Removing Volatile Components From A Gel-Cast Ceramic Article

Abstract

A method of removing substantially all of the volatile component in a green, volatile-containing ceramic article is disclosed. The method comprises freezing the ceramic article; and then subjecting the frozen article to a vacuum for a sufficient time to freeze-dry the article. Frequently, the article is heated while being freeze-dried. Use of this method efficiently reduces the propensity for any warpage of the article. The article is often formed from a ceramic slurry in a gel-casting process. A method for fabricating a ceramic core used in investment casting is also described.

Inventors:
 [1];  [1]
  1. (Schenectady, NY)
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
OSTI Identifier:
879748
Patent Number(s):
6787074
Application Number:
10/068158
Assignee:
General Electric Company (Nishayuna, NY) ORNL
DOE Contract Number:  
AC05-96OR22464
Resource Type:
Patent
Country of Publication:
United States
Language:
English

Citation Formats

Klug, Frederic Joseph, and DeCarr, Sylvia Marie. Method For Removing Volatile Components From A Gel-Cast Ceramic Article. United States: N. p., 2004. Web.
Klug, Frederic Joseph, & DeCarr, Sylvia Marie. Method For Removing Volatile Components From A Gel-Cast Ceramic Article. United States.
Klug, Frederic Joseph, and DeCarr, Sylvia Marie. Tue . "Method For Removing Volatile Components From A Gel-Cast Ceramic Article". United States. https://www.osti.gov/servlets/purl/879748.
@article{osti_879748,
title = {Method For Removing Volatile Components From A Gel-Cast Ceramic Article},
author = {Klug, Frederic Joseph and DeCarr, Sylvia Marie},
abstractNote = {A method of removing substantially all of the volatile component in a green, volatile-containing ceramic article is disclosed. The method comprises freezing the ceramic article; and then subjecting the frozen article to a vacuum for a sufficient time to freeze-dry the article. Frequently, the article is heated while being freeze-dried. Use of this method efficiently reduces the propensity for any warpage of the article. The article is often formed from a ceramic slurry in a gel-casting process. A method for fabricating a ceramic core used in investment casting is also described.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2004},
month = {9}
}

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