The main reason of lower wear rate of multi-infiltrated high carbon steel and alloy cast iron is that the hard multiple compounds and graphite formed on the surface of the bush have good anti-wear and lubrication function.

• 复渗衬套磨损率低的主要原因是衬套表面形成了坚硬的多元化合物及石墨起到了良好的抗磨及润滑作用.