Method for the preparation of thixotropic slurries

Details Method for the preparation of thixotropic slurries Method for the preparation of thixotropic slurries

1977-12-12

1980-10-21

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 72, 75 93R, C22D 706

Patent

active

042292107

ABSTRACT:
The invention relates to an improved method for the preparation and delivery of semi-solid thixotropic metal slurries for use in metal forming processes such as the rheocast and thixocast processes. The method includes inducing turbulent motion within the metal during solidification by electromagnetic or electrodynamic techniques under controlled temperature conditions so as to produce a highly fluid semi-solid slurry with a degenerate dendritic structure comprising solid spheroids dispersed in liquid. In the method of the preferred embodiment of the present invention, flow of the thixotropic metal slurry from the vibrating chamber is controlled by electromagnetic techniques and may be continuous or semi-continuous.

REFERENCES:
patent: 2419373 (1947-04-01), Schrumm
patent: 2686864 (1954-08-01), Wroughton et al.
patent: 2861302 (1958-11-01), Mann et al.
patent: 3020323 (1962-02-01), Redfern
patent: 3268963 (1966-08-01), Mann
patent: 3463365 (1969-08-01), Dumont-Fillon
patent: 3567429 (1971-03-01), Dunkel et al.
patent: 3842895 (1974-10-01), Mehrabian et al.
patent: 3857696 (1974-12-01), Aldersley et al.
patent: 3902544 (1975-09-01), Flemings et al.
patent: 3936298 (1976-02-01), Mehrabian et al.
patent: 3948650 (1976-04-01), Flemings et al.
patent: 3951651 (1976-04-01), Mehrabian et al.
patent: 3954455 (1976-05-01), Flemings et al.
patent: 3995678 (1976-12-01), Zavaras et al.
patent: 4030534 (1977-06-01), Ito et al.
patent: 4040467 (1977-08-01), Alberny et al.
patent: 4042007 (1977-08-01), Zavaras et al.
patent: 4042008 (1977-08-01), Alberny et al.
patent: 4099960 (1978-07-01), Olschewski et al.
Fascetta et al., AFS Cast Metals Research Journal, Dec. 73, pp. 167-171.
Szekely et al., Journal of Metals, Sep. 76, pp. 6-11.
Flemings et al., AFS International Cast Metals Journal, Sep. 76, pp. 11-22.
Oberg et al., Metallurgical Transactions, Jan. 73, vol. 4, pp. 75-82.

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