| 摘要 |
An aluminum-silicon alloy cylinder liner for a gasoline engine, which can obtain the structure of a pro-eutectic silicon particle size with excellent wear resistance and lubrication property by adopting a centrifugal casting process, and a method of manufacturing the same are provided. A cylinder liner for an automobile gasoline engine comprises a hypereutectic aluminum-silicon alloy, wherein silicon particles are richly distributed at an inner side of the cylinder liner while aluminum particles are richly distributed at an outer side of the cylinder liner. The silicon particles have a diameter of 20 to 40 mum. In a method for manufacturing a cylinder liner by an ordinary centrifugal casting process, a method of manufacturing a cylinder liner for a gasoline engine is characterized in that an injection temperature is maintained to 700 to 800 deg.C, and temperature of the mold is maintained to 250 to 350 deg.C when injecting a molten metal comprising a hypereutectic aluminum-silicon alloy into a rotating mold.
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