Metal treatment – Process of modifying or maintaining internal physical... – Treating consolidated metal powder – per se
Patent
1993-10-12
1994-09-06
Dean, Richard O.
Metal treatment
Process of modifying or maintaining internal physical...
Treating consolidated metal powder, per se
72 82, 72214, 72220, 72700, 148689, 148437, B22F 500, B21D 2200
Patent
active
053445082
ABSTRACT:
Rapidly solidified aluminum base alloy is flow formed into tubes and tubular components using conventional flow forming equipment. A preform of preselected configuration and wall thickness for either forward or back spinning is fabricated. Flow forming is then carried out. The beginning of the flow forming step is offset by leaving undeformed a small section of the preform.
REFERENCES:
patent: 1666581 (1928-04-01), Rainaud
patent: 5154780 (1992-10-01), PremKumar
"Tube Spinning", Metals Handbook, 9th Edition, vol. 14 (pp. 675 to 679); ASM International (Materials Park, Ohio), 1988.
Gilman Paul S.
Testa Anthony
Allied-Signal Inc.
Buff Ernest D.
Criss Roger H.
Dean Richard O.
Koehler Robert R.
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