Sliding bearing element comprising a lead-free aluminum bearing metal layer
AssigneeFederal-Mogul Wiesbaden GmbH
InventorsThomas Grooteboer, Karl-Heinz Lindner, Karl-Heinz Lebien
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Abstract
The invention relates to a sliding bearing element comprising a supporting layer, an aluminum alloy-based intermediate layer, and an aluminum alloy-based bearing metal layer. The aluminum alloy composition of the intermediate layer includes at least the following components in percent by weight: 3.5 to 4.5 of copper; 0.1 to 1.5% of manganese; 0.1 to 1.5% of magnesium; and 0.1 to 1.0% of silicon.
Claims17
A plain bearing element having a support layer, an intermediate layer based on an aluminum alloy and a bearing metal layer based on an aluminum alloy wherein:
- the aluminum alloy of the intermediate layer includes (in weight %):
- Copper
- 3.5% to 4.5%,
- Magnesium
- 0.1% to 1.5%
- Magnesium
- 0.1% to 1.5%.
The plain bearing element according to wherein the intermediate layer includes 0.1% to 1.0% silicon in weight percent.
The plain bearing element according to wherein the thickness d3 of the bearing metal layer is 150 μm to 400 μm.
Dependencies are inferred from the claim text.