Lithium bearing alloys free of Luder lines

Details Lithium bearing alloys free of Luder lines Lithium bearing alloys free of Luder lines

1988-03-24

1989-12-26

Lechert, Jr., Stephen J.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148 115A, 148439, C21D 178

Patent

active

048895695

ABSTRACT:
Aluminum-lithium alloy sheets are stretched under predetermined temperature and stretch rate conditions to provide contoured metal sheets. The temperature and stretch rate conditions provide a stretched sheet which is substantially free of Luder lines that are conventionally associated with stretch-formed aluminum-lithium alloy sheets.

REFERENCES:
patent: 4081294 (1978-03-01), Thompson et al.
patent: 4151013 (1979-04-01), Thompson et al.
patent: 4648913 (1987-03-01), Hunt, Jr. et al.
patent: 4790884 (1988-12-01), Young et al.

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