Aluminium-strontium master alloy

Details Aluminium-strontium master alloy Aluminium-strontium master alloy

1990-05-21

1991-09-03

Roy, Upendra

Specialized metallurgical processes, compositions for use therei

Processes

Producing solid particulate free metal directly from liquid...

420549, B22F 908, C22C 103

Patent

active

050451103

ABSTRACT:
A process is described for the preparation of an aluminium-strontium master alloy suitable for use as structure refiner during the solidification of molten aluminium-silicon alloys, comprising atomizing a molten alloy containing 3 to 30% by weight of strontium, the balance being aluminium, quick cooling of the atomized droplets to obtain solid particles and consolidation of the obtained solid particles.

REFERENCES:
patent: 3567429 (1971-03-01), Dunkel
patent: 4009026 (1977-02-01), Rasmessen
patent: 4108646 (1978-08-01), Gennone et al.
patent: 4394348 (1983-07-01), Hardy et al.
patent: 4576791 (1986-03-01), Thistlethwaite
patent: 4762553 (1988-08-01), Savage et al.
Metals Handbook, 9th edition, vol. 7, "Powder Metallurgy", pp. 25-51, 125-130, 293.

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