Journal bearing with bonded liner

Details Journal bearing with bonded liner Journal bearing with bonded liner

1993-12-22

1995-10-17

Walsh, Donald P.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428550, 427448, 427456, B22F 700, C22C 104

Patent

active

054589843

ABSTRACT:
A journal bearing assembly includes a steel bearing body and a Babbitt metal liner which defines an internal bearing surface and provides a sliding bearing for a rotating journal. A porous metal bonding layer of NiAl 80/20 or AlSi 12 is applied between the bearing body and the liner. The bonding layer is spray deposited onto the bearing body and the liner is spray deposited onto the bonding layer. The liner is most porous at the bonding layer interface with decreasing porosity toward the bearing surface. The bonding layer may be flame sprayed or applied in powder form and fused. Similarly, the liner may be flame sprayed or applied in powder form and fused.

REFERENCES:
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patent: 4420543 (1983-12-01), Kondo et al.
patent: 4435482 (1984-03-01), Futamura et al.
patent: 4818628 (1989-04-01), Alexander et al.
patent: 4900639 (1990-02-01), Hodes et al.
patent: 4904537 (1990-02-01), Lytwynec
patent: 4999257 (1991-03-01), Imai
patent: 5087529 (1992-02-01), Engel et al.
patent: 5328772 (1994-07-01), Tanaka et al.
Metals Handbook, 9th ed., vol. 5, ASM International, USA, pp, 365-368.

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