Process for degrease annealing thin strip and foil made of alumi

Details Process for degrease annealing thin strip and foil made of alumi Process for degrease annealing thin strip and foil made of alumi

1980-09-22

1982-04-20

Dean, R.

Metal treatment

Compositions

Heat treating

148 206, C22F 102

Patent

active

043257534

ABSTRACT:
On degrease annealing of thin strip and foil made of aluminum and aluminum alloys in an annealing furnace ozone is introduced into the furnace atmosphere.
As a result of this the annealing time can be shortened or the annealing temperature lowered. Likewise the tendency for the foil to stick together when in coiled form is markedly reduced.

REFERENCES:
patent: 3061485 (1962-10-01), Robinson

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