Electrode for electroslag remelting and process of producing all

Industrial electric heating furnaces – Electroslag remelting device – Electrode

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Other Related Categories

373 82, 373 88, 75 1023, H05B 360

Type

Patent

Status

active

Patent number

055240194

Description

ABSTRACT:
An object of the invention is to provide an ingot having improvement of and a prevention of occurrence of segregation when electroslag remelting method is used for producing a large size ingot and a super alloy which is sensitive to segregation. According to the present invention, the electrode for electroslag remelting method has a hole formed along an axial direction in the core of an electrode. Therefore, the molten pool is made shallow so that flat and segregation is prevented from occurring. Consequently, an ESR ingot of good quality is accomplished with an excellent surface and is free from segregation. Moreover, an electrode melting rate is increasing and efficiency is improved.

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patent: 4965812 (1990-10-01), Sorg et al.
NTIS Tech Notes, Nov. 1986, Springfield, VA, "Electroslag Refining (ESR) of Sulfide-Containing Steel," p. 1232.
Steel in the USSR, Oct. 1986, London, GB, "Rate of melting of hollow consumable electrodes in vacuum arc remelting," V. V. Loza and A. A. Udovista, pp. 478-480.
Journals of Metals, Jan. 1986, New York, NY, "Macrosegregation in ESR and VAR Processes," K. O. Yu, et al., pp. 46-50.

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