Iron-nickel alloy for stretched shadow mask

Details Iron-nickel alloy for stretched shadow mask Iron-nickel alloy for stretched shadow mask

1996-07-18

1998-08-04

Sheehan, John

Metal treatment

Stock

Magnetic

312402, 312407, 420459, H01F 1147

Patent

active

057887837

ABSTRACT:
An iron-nickel alloy useful for the manufacture of a stretched shadow mask, the chemical composition of the iron-nickel alloy containing by weight: 69%.ltoreq.Ni.ltoreq.83%, 0%.ltoreq.Mo.ltoreq.7%, 0%.ltoreq.Cu.ltoreq.8%, 0%.ltoreq.Co.ltoreq.1.5%, 0%.ltoreq.W.ltoreq.7%, 0%.ltoreq.Nb.ltoreq.7%, 0%.ltoreq.V.ltoreq.7%, 0%.ltoreq.Cr.ltoreq.7%, 0%.ltoreq.Ta.ltoreq.7%, 0%.ltoreq.C.ltoreq.0.1%, 0%.ltoreq.Mn.ltoreq.1%, 0%.ltoreq.Si.ltoreq.1%, 0%.ltoreq.Ti.ltoreq.1.2%, 0%.ltoreq.Al.ltoreq.1.2%, 0%.ltoreq.Zr.ltoreq.1.2%, 0%.ltoreq.Hf.ltoreq.1.2%, S.ltoreq.0.010% the balance being iron and impurities resulting from smelting, the chemical composition furthermore satisfying the relationships:

REFERENCES:
patent: 2990277 (1961-06-01), Post et al.
patent: 3269834 (1966-08-01), Lykens et al.
patent: 4929864 (1990-05-01), Tong
patent: 5028836 (1991-07-01), Hirasawa
patent: 5399939 (1995-03-01), Greenberg et al.

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