Journal:applied sciences

Key Words:physical model; analytical model; stress distribution; force ratio

Abstract:This study develops a new physical and analytical model for the particle scratching process, where a particle is modeled as a sphere. It investigates the flow of workpiece material introduced by the particle’s motion, dividing the contact area into zones of elastic and plastic deformation. Forces applied to the particle in both zones are calculated, and parameters defining the extent of elastic rebound and plastic upheaval are introduced. The study also presents stress distribution in the plastic zone, discusses the factors influencing the force ratio, and reveals that the force ratio increases with greater elastic rebound, plastic upheaval, cutting depth, and strain strengthening, but decreases with larger particle sizes. Yield stress was found to have no effect on the force ratio. These findings will guide research in practical material processing as well as in scratch applications.

Indexed by:Journal paper

Document Code:5670

Discipline:Engineering

First-Level Discipline:Mechanical Engineering

Document Type:J

Volume:15

Translation or Not:no

Date of Publication:2025-05-19

Included Journals:SCI

First Author:陈首虹

Co-author:孙铭俊,范袁涛,尹方辰,黄吉祥

Correspondence Author:黄身桂

Attachments: