Workable nickel material and process for making same

Details Workable nickel material and process for making same Workable nickel material and process for making same

1975-01-22

1976-12-21

Dean, R.

Metal treatment

Compositions

Heat treating

295277, 75170, 148 115N, 148 32, C22F 110

Patent

active

039986632

ABSTRACT:
A workable nickel material is made by forming a melt consisting essentially of 0.01 to 0.15% by weight oxygen, elements having an affinity for oxygen defined as the negative numerical value of the enthalpy of formation of the corresponding oxide in Kcal/mole which does not exceed 92 Kcal/mole in an amount homogeneously mixable with nickel, 0 to 0.3% manganese, cerium or rare earth elements in an amount up to that which will combine with up to 20% (e.g. 10 to 20%) by weight of the oxygen, balance nickel, and adjusting the oxygen content to that level. The melt is cast to form an ingot which is worked to destroy the nickel-nickel oxide eutectic structure and to dispense the nickel oxide in the metal. The result is a highly workable nickel material containing a high proportion of nickel oxide.

REFERENCES:
patent: 3622234 (1971-11-01), Seybolt et al.
patent: 3749569 (1973-07-01), Starr et al.

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