Method of adding trace elements to base metals

Details Method of adding trace elements to base metals Method of adding trace elements to base metals

1977-05-09

1978-12-12

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

751755, C22C 1500

Patent

active

041294386

ABSTRACT:
A method of adding trace elements to a base metal, particularly useful for adding yttrium or a rare earth metal to titanium. This method is especially useful for adding these and other trace elements which have low solubility in the base metal or a high melting point and tend to form undesirable segregates in the microstructure. The invention overcomes this difficulty by dispersing finely divided particles of trace element in a vehicle before adding the trace element to a melt charge. The vehicle may be finely divided base metal, or a solvent and diluent.

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patent: 3645727 (1972-02-01), Finlay et al.
patent: 3679403 (1972-07-01), Bomberger et al.
patent: 3963525 (1976-06-01), Bomberger et al.

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