Process for producing a composite flat product, stainless armor

Details Process for producing a composite flat product, stainless armor Process for producing a composite flat product, stainless armor

1992-02-26

1993-05-25

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428685, 148529, 89 3602, B32B 1518, C21D 942

Patent

active

052139050

ABSTRACT:
Plating is carried out of a stainless steel sheet whose carbide redissolution temperature is lower than 1000.degree. C. onto an armor steel sheet and the plated sheet obtained is quenched so that the Brinell hardness of the armor steel is between 250 and 700 BH. The plating may be carried out by corolling, explosion plating or explosion plating followed by rerolling. Tempering may be performed at a temperature between 200.degree. and 600.degree. C. on the plated and quenched sheet. The quenching is preferably carried out on an oil quenching machine under a press. The armors obtained comprise a stainless coating layer free from carbide precipitates at the grain boundaries. Storage tanks which resist projectiles and are employed for storing liquid corrosive products can be made from the stainless armors according to the invention.

REFERENCES:
patent: 1079323 (1913-11-01), Benthall
patent: 2249629 (1941-07-01), Hopkins
patent: 2438759 (1948-03-01), Liebowitz
patent: 2874082 (1959-02-01), Lena et al.
patent: 3516878 (1970-06-01), Sandstrom et al.
patent: 3944396 (1970-03-01), Chivinsky
patent: 3956809 (1976-05-01), Chivinsky
patent: 4178417 (1979-12-01), Oda et al.
patent: 4455352 (1984-06-01), Ayres et al.
patent: 4917969 (1990-04-01), Pircher et al.

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