Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1973-08-29
1976-03-30
Annear, R. Spencer
Metal founding
Process
Shaping liquid metal against a forming surface
164281, B22d 1110
Patent
active
039467945
ABSTRACT:
A method is provided for preventing orifice plugging when melt extruding a steel-titanium alloy to form fine diameter wire. This is accomplished by controlling the oxygen potential in the melt above the orifice at a level wherein the activity of titania within the melt is maintained at from 0.3 to unity -- the standard state of unit activity being defined as the melt saturated in titania at the concentrations of titanium and oxygen therein and at the melt temperature.
REFERENCES:
patent: 2907082 (1959-10-01), Pond
patent: 3216076 (1965-11-01), Alber et al.
patent: 3658979 (1972-04-01), Dunn et al.
patent: 3692089 (1972-09-01), Privett et al.
Annear R. Spencer
Monsanto Company
Weinkauf Russell E.
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