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Title: Method and apparatus for controlling electroslag remelting

Method and apparatus for controlling electrode immersion depth in an electroslag remelting furnace. The phase difference of the alternating current circuit established in the furnace is calculated in real time and employed to more accurately control immersion depth than possible with voltage-swing systems.
Inventors:
 [1];  [2];  [3];  [1];  [3]
  1. (Tijeras, NM)
  2. (Sandia Park, NM)
  3. (Albuquerque, NM)
Issue Date:
OSTI Identifier:
869400
Assignee:
Sandia Corporation (Albuquerque, NM) SNL
Patent Number(s):
US 5331661
Contract Number:
AC04-76
Research Org:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA
Country of Publication:
United States
Language:
English
Subject:
method; apparatus; controlling; electroslag; remelting; electrode; immersion; depth; furnace; phase; difference; alternating; current; circuit; established; calculated; time; employed; accurately; control; voltage-swing; systems; current circuit; phase difference; alternating current; remelting furnace; electroslag remelting; controlling electrode; melting furnace; accurately control; /373/