Low melting point Ni-Cr alloy for cast dental products

Details Low melting point Ni-Cr alloy for cast dental products Low melting point Ni-Cr alloy for cast dental products

1979-03-28

1980-05-13

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75171, C22C 1905

Patent

active

042026873

ABSTRACT:
A low melting point Ni-Cr alloy is fusible easily with a low-calorie heat source commonly and easily available. The alloy comprises, Ni, Cr, Cu, Mn and Al as the principal components thereof and an appropriate deoxidizer. There is further added at least one alloy element selected from the group consisting of Ga, Nb and Zr or other alloy elements if circumstances permit. The low melting point of the alloy disclosed herein simplifies casting facilities, makes plaster molds usable and facilitates the removal of products after casting.

REFERENCES:
patent: 3437480 (1969-04-01), Cape
patent: 3709682 (1973-01-01), Belkovsky et al.
patent: 3898081 (1975-08-01), Kukhar
patent: 3907555 (1975-09-01), Dudek et al.
patent: 4053308 (1977-10-01), Tesk et al.

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