Method of fabricating strips or foils, respectively, from...

Details Method of fabricating strips or foils, respectively, from... Method of fabricating strips or foils, respectively, from...

2011-07-12

2011-07-12

Wyszomierski, George (Department: 1733)

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

C148S670000

Reexamination Certificate

active

07976649

ABSTRACT:
A method of fabricating a superplastically formable strip or a superplastically formable foil from TiAl6V4 with a thickness of no more than 0.9 mm, preferably less than or equal to 0.5 mm, comprises the steps:a) hot rolling a sheet metal made of TiAl6V4;b) thermal pre-treatment of the hot-rolled sheet metal at a temperature between 650 and 850° C.; andc) cold rolling the hot-rolled and thermally pre-treated sheet metal at a forming rate of at least 30%, wherein the forming rate per single pass amounts to between 1 and 15%, to form a strip or a foil with a thickness of no more than 0.9 mm,wherein the cold-rolled strip or the cold-rolled foil is not annealed.

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Machine Translation of DE 10 2005 059218 A1, published May 16, 2007.

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