Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1975-03-05
1977-02-15
Rosenberg, P. D.
Metal founding
Process
Shaping liquid metal against a forming surface
75 10R, 164 57, B22D 2702, C22B 406
Patent
active
040077705
ABSTRACT:
A process for producing homogeneous binary alloys comprised of a first element present in a major amount having a melting point below the liquidus of the binary alloy and a second element present in a minor amount having a melting point above the liquidus of the binary alloy, whereby the second element is formed into a semi-consumable electrode and is employed to melt the first element progressively fed into a crucible or mold. The power for forming the high energy electric arc is controlled to maintain a molten pool in the crucible and to effect a progressive melting of the semi-consumable electrode, whereby liquid droplets of the higher melting alloy enter and become substantially completely dissolved in the molten pool at a controlled rate in consideration of the rate of feed of the first element to provide a resultant binary alloy having the desired proportion of the two alloying elements. The process is particularly applicable for producing homogeneous ingots of titanium-molybdenum binary alloys.
REFERENCES:
patent: 3529958 (1970-09-01), Buehler
patent: 3905803 (1975-09-01), Bianchi
Amax Inc.
Rosenberg P. D.
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