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Title: Method of melting metals to reduce contamination from crucibles

Abstract

Contamination of metals from crucible materials during melting operations is reduced by coating the interior surface of the crucible with a ceramic non-reactive with the metallic charge and disposing a metal liner formed from a portion of the metallic charge within the coated crucible. The liner protects the ceramic coating during loading of the remainder of the charge and expands against the ceramic coating during heat-up to aid in sintering the coating.

Inventors:
 [1];  [2]
  1. Kingston, TN
  2. Oak Ridge, TN
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
OSTI Identifier:
862845
Patent Number(s):
4028096
Assignee:
United States of America as represented by United States Energy (Washington, DC)
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F27 - FURNACES F27D - DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
F - MECHANICAL ENGINEERING F27 - FURNACES F27B - FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL
DOE Contract Number:  
W-7405-ENG-26
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; melting; metals; reduce; contamination; crucibles; crucible; materials; operations; reduced; coating; interior; surface; ceramic; non-reactive; metallic; charge; disposing; metal; liner; formed; portion; coated; protects; loading; remainder; expands; heat-up; sintering; interior surface; metal liner; ceramic coating; reduce contamination; metal line; melting operation; melting metal; /75/264/266/

Citation Formats

Banker, John G, and Wigginton, Hubert L. Method of melting metals to reduce contamination from crucibles. United States: N. p., 1977. Web.
Banker, John G, & Wigginton, Hubert L. Method of melting metals to reduce contamination from crucibles. United States.
Banker, John G, and Wigginton, Hubert L. Sat . "Method of melting metals to reduce contamination from crucibles". United States. https://www.osti.gov/servlets/purl/862845.
@article{osti_862845,
title = {Method of melting metals to reduce contamination from crucibles},
author = {Banker, John G and Wigginton, Hubert L},
abstractNote = {Contamination of metals from crucible materials during melting operations is reduced by coating the interior surface of the crucible with a ceramic non-reactive with the metallic charge and disposing a metal liner formed from a portion of the metallic charge within the coated crucible. The liner protects the ceramic coating during loading of the remainder of the charge and expands against the ceramic coating during heat-up to aid in sintering the coating.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1977},
month = {1}
}

Patent:

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