Journal bearing with bonded liner
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United States of America Patent
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Oct 17, 1995
Grant Date -
N/A
app pub date -
Dec 22, 1993
filing date -
Dec 23, 1992
priority date (Note) -
Expired
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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.
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