Molecular dynamics research on ultra-high-speed grinding mechanism of monocrystalline nickel

被引：52
|
作者：
Ren, Jie [1 ,2 ]
Hao, Mingrui [3 ]
Lv, Ming [1 ]
Wang, Shiying [1 ]
Zhu, Baoyi [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Mech Engn, Shanxi Key Lab Precis Machining, Taiyuan 030024, Shanxi, Peoples R China
[2] Taiyuan Inst Technol, Dept Mech Engn, Taiyuan 030008, Shanxi, Peoples R China
[3] Taiyuan Res Inst, China Coal Technol & Engn Grp, Taiyuan 030006, Shanxi, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2018年 / 455卷
基金：
中国国家自然科学基金;
关键词：
Monocrystalline nickel; Ultra-high speed grinding; Molecular dynamics; Surface generative mechanism; NANOMETRIC CUTTING PROCESS; SINGLE-CRYSTAL NICKEL; MATERIAL REMOVAL; SIMULATION; NANOSCALE; ABRASION; SILICON; SURFACE; METALS; MODEL;
D O I：
10.1016/j.apsusc.2018.06.042
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this work, research on the ultra-high-speed grinding features of monocrystalline nickel was conducted via molecular dynamics. By the molecular dynamics modeling, calculation and analysis of the grinding process of monocrystalline nickel at various speeds and depths, the changes in the morphology of the grinding chips, grinding force and potential energy at different grinding stages were analyzed. The formation mechanism of chips was revealed and the relationship between the subsurface defects and tangential forces after the processing of monocrystalline nickel was indentified which provided the theoretical foundation for illustrating the surface generative mechanism of the monocrystalline particle micro-grinding action.
引用
收藏
页码：629 / 634
页数：6
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