Billet heating process

Details Billet heating process Billet heating process

1986-09-22

1987-12-15

Larson, Lowell A.

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

72364, 72422, 72342, 164900, B21D 3716, B21D 4310

Patent

active

047124130

ABSTRACT:
Shaped metal parts are produced on a continuous basis from semi-solid metal preforms. The preforms are supported on pedestals which are surrounded by a ring of material which acts as a heat sink to absorb heat from the liquid portion of the preforms to substantially solidify the liquid portion and prevent the preforms from losing liquid to runoff.

REFERENCES:
patent: 3684854 (1972-08-01), Nikonov et al.
patent: 3902544 (1975-09-01), Flemings 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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