Method of producing shaped metal parts

Details Method of producing shaped metal parts Method of producing shaped metal parts

1986-07-23

1987-08-18

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164 98, 164113, 164900, B22D 1700, B22D 2300

Patent

active

046870423

ABSTRACT:
An apparatus and process for producing shaped metal parts of a semi-solid metal slurry. The metal slurry is introduced as a preform slug or ingot to a prechamber which is subjected to sufficient pressure to force a portion of the semi-solid metal slurry from the prechamber to a metal part shaping die cavity. The completed metal part, together with the portion of metal which remained in the prechamber during part formation, is removed and the metal which remained in the prechamber is detached from the final metal part.

REFERENCES:
patent: 3902544 (1975-09-01), Flemings et al.
patent: 4340109 (1982-07-01), Roddy
patent: 4548253 (1985-10-01), Funatani et al.
patent: 4569218 (1986-02-01), Baker et al.
M. C. Flemings, R. G., Riek, K. P. Young, "Rheocasting," Materials Science and Engineering, vol. 25 (1976), pp. 103-117.
G. B. Brook, "Improving the Quality of Aluminum Die Castings by Novel Techniques," Material Design, Oct., 1982, 3, (5), pp. 558-565.
S. D. E. Ramati, G. J. Abbaschian, D. G. Backman, R. Mehrabian, "Forging of Liquid and Partially Solid Sn-15% Pb and Aluminum Alloys," Metallurgical Transactions, vol. 9B, Jun., 1978, pp. 279-286.

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