Sliding bearing of copper-based alloy
AssigneeDaido Metal Company Ltd.
InventorsHideo Tsuji, Hideo Ishikawa, Yasuo Ido, Takayuki Shibayama
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Abstract
A sliding bearing of copper-based alloy is provided which is superior in seizure resistance and wear resistance. The sliding bearing of copper-based alloy is provided with a back metal layer, a bearing alloy layer disposed on the back metal layer which bearing alloy layer consists of a copper alloy, a copper-zinc intermediate layer containing 20 to 50 wt % of zinc disposed on the bearing alloy layer, and a tin-based or aluminum-based overlay disposed on the intermediate layer.
Claims8
A sliding bearing of copper-based alloy, comprising a back metal layer, a bearing alloy layer provided on the back metal layer which bearing alloy layer consists of a copper alloy, an intermediate layer provided on the bearing alloy layer which intermediate layer consists of a copper--zinc alloy containing 20 to 50 wt % zinc, and a tin-based overlay provided on the intermediate layer.
A sliding bearing of copper-based alloy, comprising a back metal layer, a bearing alloy layer provided on the back metal layer which bearing alloy layer consists of a copper alloy, an intermediate layer provided on the bearing alloy layer which intermediate layer consists of a copper--zinc alloy containing 20 to 50 wt % zinc, and an aluminum-based overlay provided on the intermediate layer which aluminum-based overlay contains 5 to 55 wt % tin.
Dependencies are inferred from the claim text.