Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Patent
1975-07-24
1977-06-07
Hoffman, James R.
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
427 37, 428653, 428654, 428660, B05D 108, B32B 1504, B32B 1520
Patent
active
040273679
ABSTRACT:
An alloy of nickel and aluminum, which also may contain varying percentages of intermetallics, in the form of a wire or rod is sprayed in an electric arc spray gun to form a self-bonding coating on a smooth, clean substrate. Alternatively an alloy of nickel and titanium, which also may contain varying percentages of intermetallics, in the form of a wire may be similarly electric arc sprayed to effect a self-bonding coating on a substrate. The nickel aluminum alloy and possibly intermetallics or the nickel titanium alloy and possibly intermetallics are supplied as a wire feed to the electric arc spray gun, and when heated in the electric arc of the spray gun and sprayed onto a substrate will form a coating that has a high degree of tenacity to many metal substrates and also has a moderate degree of hardness, low R.sub.c, high R.sub.b. The self-bonding is attributed to the formation of superheated liquid in the arc process and the affinity of that superheated liquid to iron, nickel, aluminum, etc.
REFERENCES:
patent: R22397 (1943-11-01), Meduna
patent: 3338688 (1967-08-01), Longo
patent: 3436248 (1969-04-01), Dittrich et al.
patent: 3481715 (1969-12-01), Whalen et al.
patent: 3640755 (1972-02-01), Barth
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