spotted units,striated units and latticed units were formed on the surfaces of gray cast iron by bionic coupling laser processing with different amount of laser energy.

• 为提高汽车用灰铸铁制动毂的耐磨性和使用寿命,运用仿生耦合原理,采用激光雕刻技术在灰铸铁表面加工出点状、条纹状和网格状的非光滑单元体。