Process for fabrication of decorative panel

Details Process for fabrication of decorative panel Process for fabrication of decorative panel

1976-12-20

1978-04-18

Stallard, W.

Metal treatment

Compositions

Heat treating

148 115C, C22F 102, C22F 108, C22F 114

Patent

active

040849902

ABSTRACT:
A method for the fabrication of a decorative panel having a coarse, enlarged crystalline pattern characterized by applying a large rolling force at a draft ratio in excess of the critical draft ratio to a metal sheet; annealing the metal sheet at a temperature in excess of the recrystallization temperature in order to remove deformations caused by the rolling step; applying a prescribed pattern-like strain figures thereto; annealing the metal sheet in an anti-oxidizing atmosphere at a high temperature in excess of the recrystallization temperature in order to allow coarse, enlarged crystals to form; and subsequently etching the surface of the sheet.

REFERENCES:
patent: 2941930 (1960-06-01), Mostovych et al.
patent: 3180806 (1965-04-01), Hollingsworth
patent: 3773576 (1973-11-01), Pond
patent: 3827952 (1974-08-01), Franz
patent: 3891472 (1975-06-01), Yoshida et al.

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