Metallic ingot for plastic working

Details Metallic ingot for plastic working Metallic ingot for plastic working

1998-04-22

1999-11-23

Yee, Deborah

Metal treatment

Stock

Aluminum base

C22C 102, C22C 2100

Patent

active

059893656

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: 5573861 (1996-11-01), Takahashi et al.
Solidified Structure of Unidirectionally Solidified A1Cu Alloys, "Castings", vol. 49, No. 9, pp. 539-544 by Eui-Pak Yoo, Seiki Nisi, Dr. Eng and Takeo Shinoda.

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