Process for producing structural member of aluminum alloy

Details Process for producing structural member of aluminum alloy Process for producing structural member of aluminum alloy

1996-06-17

1998-01-20

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Treating consolidated metal powder, per se

419 66, 419 68, B22F 302

Patent

active

057097585

ABSTRACT:
An aluminum alloy structural member is crystalline. In producing this aluminum alloy structural member, a procedure is employed which includes forming a green compact by use of aluminum alloy having an amorphous phase, and subjecting the green compact to a powder forging technique. An aluminum alloy powder exhibiting an exotherm E smaller than 20 J/g at the time of the crystallization of the amorphous phases is used. By setting the exotherm E in such a range, cracking of the green compact due to a degassing can be avoided, even if the green compact is rapidly heated in a temperature-rising or heating course.

REFERENCES:
patent: 5053085 (1991-10-01), Masumoto et al.
patent: 5073215 (1991-12-01), Skinner et al.
patent: 5330704 (1994-07-01), Gilman
56-Nonferous Metals Article--1992, p. 313, Chemicals Abstracts, vol. 117, No. 14; Abstract No. 135901z.

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