Al-Sn Base bearing alloy and composite

Details Al-Sn Base bearing alloy and composite Al-Sn Base bearing alloy and composite

1980-04-02

1981-10-20

Dean, R.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

75138, 75140, 75147, B32B 1504

Patent

active

042961831

ABSTRACT:
The invention relates to aluminum-tin (Al-Sn) base bearing alloys and bearing materials that are made by applying the alloys to backing steel sheets by pressure welding. The Al-Sn base bearing alloy comprises 3 to 25 wt.% of Sn; 0.1 to 1.0 wt.% of Cr; 9 wt.% or less in total of one or more members of Pb, Bi, In and Cd; and the remainder of Al. The alloy can further contain 3 wt.% or less in total of Cu and/or Mg, thereby improving the bearing characteristics. Besides the effects of the addition of Cr to improve hardness, to avoid the lowering of high temperature hardness and the growth of tin particles, and the resultant improvement in fatigue resistance, the Al-Sn base bearing alloy of the invention is improved in conformability and seizure resistance by the addition of Pb, In and the like which are effective when they are used together with Cr.

REFERENCES:
patent: 4153756 (1979-05-01), Iwahana et al.

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