Sliding component and method
A technology of sliding parts and particles, applied in the direction of anti-centrifugal rotating parts, engine components, chemical instruments and methods, etc.
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[0035] figure 1 Shown is a half-bearing, or half-cylindrical bearing shell 2 , of a main bearing assembly of an internal combustion engine for holding a cylindrical journal of a crankshaft. The bearing half includes a half-cylindrical bearing shell. The bearing shell has a layered structure incorporating a steel backing 4 . The backing is coated or bonded to a liner layer 6 comprising a copper-tin bronze and nickel diffused film, or layer 8 of the intermediate layer 10 . The coating 12 is formed by electroplating on the intermediate layer.
[0036] Coatings include Ni in a tin matrix 3 particles of Al, the tin matrix is formed by electroplating on the intermediate layer. The intermediate layer is arranged as a cathode in a bath containing a plating electrolyte and an anode, and a cathode bias (ie, a negative bias) is applied to the cathode relative to the anode. The cathode bias drives the positively charged metal ions, such as tin, towards the cathode and deposits the ...
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