本文介绍关于磨粒磨损机理研究的几个问题,指出建立在磨粒显微切削作用基础上的磨粒磨损经典模型对这一过程提供了一个定性的理论基础,但没能揭示不同材料在磨粒磨损条件下的磨屑形成过程。磨损的产物磨屑的形成是一个相当复杂的过程。在这一过程中发生材料表面层的严重的塑性变形,应变硬化,依决于磨粒作用的应力和被磨材料的显微组织,在磨粒作用下,在磨损表层产生裂纹,最终由于剪切作用或是裂纹的扩展导致磨屑的形成。 In this paper, we introduce some problems about abrasive wear mechanism, and point out that the classic model of abrasive wear based on the micro-cutting effect of abrasive particles provides a qualitative theoretical basis for this process. However, Wear debris under the conditions of the formation of debris. The formation of wear debris is a rather complex process. During this process, serious plastic deformation of the material surface layer occurs, and the strain hardening, the stress that depends on the abrasive effect and the microstructure of the material being abraded produce cracks on the worn surface layer under the action of the abrasive particles. Eventually, Slicing or crack propagation leads to the formation of wear debris.