Method for producing metallic ingot for plastic working

Details Method for producing metallic ingot for plastic working Method for producing metallic ingot for plastic working

1995-12-06

1998-06-23

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

164126, 164133, B22D 2704

Patent

active

057691479

ABSTRACT:
In a metallic ingot used as a forging stock, high dimensional accuracy, small dispersion of weight, good inner quality, and small radius of meniscus are required. In the metallic ingot fulfilling these requirements, the metallic melt 7 is completely filled the mold comprising a sprue 4 closed after pouring of the melt and is forcedly solidified at its bottom by the cooling plate 1. The crystal grains grow almost parallel to the rising direction of the upper surface of the melt 7. The ingot has no cutting surface on the casting surface.

REFERENCES:
patent: 3485289 (1969-12-01), Honma
patent: 3627019 (1971-12-01), Hitchchock
patent: 4549598 (1985-10-01), Gervais et al.
patent: 5348071 (1994-09-01), Cook
Abstract of Japanese Patent Publication 59-094555 Published May 31, 1984.
Abstract of Japanese Patent Publication 56-50776 Published May 8, 1981.
Solidified Structure of Unidirectionally Solidified Al-Cu Alloys, "Castings", vol. 49, No. 9, 1977, pp. 539-544 by Eui-Pak Yoo, Seiki Nishi and Takeo Shinoda.

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