Low porosity surfacing alloys

Details Low porosity surfacing alloys Low porosity surfacing alloys

1988-05-06

1989-04-18

Rutledge, L. Dewayne

Stock material or miscellaneous articles

All metal or with adjacent metals

Surface feature

420 52, 420 53, 420584, B32B 1501, B32B 1502, C22C 3000, C22C 3802

Patent

active

048226955

ABSTRACT:
Provided are improved nickel-based surfacing alloys containing from about 0.2% to about 5.0% by weight of either or both hafnium and niobium to the total alloy weight and iron-based surfacing alloys containing the combination of about 1.5% to about 2.5% by weight carbon in conjunction with from about 1.0% to about 2.5.% silicon whereby both types of alloys are characterized by having reduced porosity arising during the process of depositing them in a molten state by a weld surfacing process upon a nitrogen containing steel substrate.

REFERENCES:
patent: 1876411 (1932-09-01), Gregg et al.
patent: 2292740 (1942-08-01), Cape et al.
patent: 2370124 (1945-02-01), Charlton
patent: 2709132 (1955-05-01), Giles
patent: 3859083 (1975-01-01), Kusaka et al.
patent: 3925065 (1975-12-01), Osawa et al.
patent: 4086107 (1978-04-01), Tanino et al.
patent: 4122817 (1978-10-01), Matlock
patent: 4200457 (1980-03-01), Cape

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