Fine dispersion aluminum base bearing

Details Fine dispersion aluminum base bearing Fine dispersion aluminum base bearing

1973-05-04

1978-01-17

Curtis, Allen B.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428548, 428547, 75208CS, 75140, 75142, 308237R, B22F 702, B22F 704

Patent

active

040693694

ABSTRACT:
A mixture of metals composed predominantly of aluminum and the balance bearing phase materials are heated to a molten state, ejected through an orifice and atomized by impinging a stream of cold water against the molten metal to effect a rapid drop in temperature as well as solidifcation. A layer of the resulting pre-alloyed particles are roll compacted simultaneously with a sacrificial surface layer and a bottom bonding layer, both being composed of aluminum base particulate materials. The bottom layer is devoid of bearing phase materials. The tri-layer strip is sintered, roll clad onto a backing member and post-annealed, blanked and formed into a bearing which is bored to remove the sacrificial layer.

REFERENCES:
patent: 2341732 (1944-02-01), Marvin
patent: 2426940 (1947-09-01), McCullough
patent: 2815567 (1957-12-01), Gould et al.
patent: 3094415 (1963-06-01), Gallatin et al.
patent: 3104135 (1963-09-01), Morrison et al.
patent: 3146099 (1964-08-01), Teja
patent: 3161502 (1964-12-01), Hunsicker et al.
patent: 3221392 (1965-12-01), Gould et al.
patent: 3386161 (1968-06-01), Ruf
patent: 3432293 (1968-03-01), Michael et al.

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