Process for manufacture of strip-casted Al-sheet material with i

Details Process for manufacture of strip-casted Al-sheet material with i Process for manufacture of strip-casted Al-sheet material with i

1979-06-04

1981-05-05

Dean, R.

Metal treatment

Compositions

Heat treating

148 115A, C22F 104

Patent

active

042656761

ABSTRACT:
A process for the manufacture of half-hard aluminium sheet materials with high strength in combination with high ductility is based upon commercially available Al-wrought alloys having added thereto at least one recrystallization modifying element such as Zr, Nb, Ta, Hf, Ni, Cr, Ti, V or W. Wrought alloys containing less than 0.5 wt. % of the modifying elements, which are substantially present in solid solution, are cast by continuous strip-casting as a plate which is directly cooled to ambient temperature and cold rolled to a requested thickness, followed by a final heat treatment where the temperature is brought up to 400-500.degree. C. at heating rates lower than 50.degree. C./min. with following cooling down to ambient temperature.

REFERENCES:
patent: 4033794 (1977-07-01), Stowell et al.

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