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01/09/2006
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A patent-pending mechanical lapping process creates an organic layer that bonds into the metal surface through mechanical reaction, writes Roger Bishop.
A specially developed polymer is said to be the key to the process.
Developer FriCSo Super-Finishing (FSF) says automotive applications would include piston pins, shafts, gear systems and valves.
The process is said to be able to significantly improve surface roughness (from Ra 0.4µm to Ra 0.02µm), mean roughness (Rz) amplitude and the bearing area curve (BAC) to an average of 95% while also increasing surface hardness. The developers are keen to stress it is not a coating but delivers a ‘coating like performance’ at low cost.
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Author
Roger Bishop
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