Aluminum powder metallurgy

Details Aluminum powder metallurgy Aluminum powder metallurgy

1983-03-24

1984-07-17

Sebastian, Leland A.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Consolidation of powder prior to sintering

419 47, 419 48, F16N 1508

Patent

active

044605412

ABSTRACT:
A process for making a workpiece suitable for being hot worked to produce a wrought metal poduct is described. Aluminum alloy powder is cold compacted and then heated in an inert environment to provide a sinter-sealed shape. The resultant workpiece may then be subjected to conventional processing to produce the desired wrought product.

REFERENCES:
patent: 3740215 (1973-06-01), Burk et al.
patent: 3860420 (1975-01-01), Nayar
patent: 4104061 (1978-08-01), Roberts
Otto, "Metallurgical Factors Controlling Structure in High Strength Aluminum P/M Products," NTIS AD/A-030 606 (1976).
Lewis et al., "A Feasibility Study for Development of Structural Aluminum Alloys from Rapidly Solidified Powders for Aerospace Structural Applications," AFML-TR-78-102 (1978).
Goetzel, Treatis on Powder Metallurgy, vol. II (1950) pp. 489-501 and 722-741.

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