| 摘要 |
A rotor housing for rotary piston engines has an inner wall formed with a first layer of chromium plating, and a second layer of nickel-fluorine resin composite plating formed on the first layer. The second layer of composite plating includes 9 to 40 vol. % of fluorine resin particles dispersed in nickel matrix and has a thickness of 5 to 25 microns.
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