Results show that martensitic ductile iron under high stress two-dody abrasion with soft abrasive is worn out by fatigue mechanism and with hard abrasive, the cutting mechanism.

• 结果表明:在软磨料作用下的高应力两体磨损中,马氏体球铁以疲劳机制破坏,硬磨料作用下以切削机制破坏;