Study of the formation mechanism of bundle structures using AFM tip-based nanoscratching approach

被引：15

作者：

Wang, Jiqiang ^{[1
,2
]}

Yan, Yongda ^{[1
,2
]}

Chang, Shunyu ^{[1
,2
]}

Wang, Tong ^{[1
,2
]}

Geng, Yanquan ^{[1
,2
,3
]}

Gan, Yang ^{[3
]}

机构：

[1] Harbin Inst Technol, Minist Educ, Key Lab Microsyst & Microstruct Mfg, Harbin 150001, Heilongjiang, Peoples R China

[2] Harbin Inst Technol, Ctr Precis Engn, Harbin 150001, Heilongjiang, Peoples R China

[3] Harbin Inst Technol, Sch Chem & Chem Engn, Harbin 150001, Heilongjiang, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2020年 / 142卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Atomic force microscopy; Friction force; Bundle structures; CONSTITUTIVE MODEL; FORCE; NANOSTRUCTURES; FABRICATION; FRICTION; POLYMER; SURFACE; WEAR; POLYCARBONATE; DEFORMATION;

D O I：

10.1016/j.triboint.2019.106000

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

To investigate the formation mechanism of bundle structures on polycarbonate (PC) surfaces, atomic force microscopy (AFM) was utilized to scratch a PC sheet. A theoretical model for the AFM tip, which accounted for the friction force exerted on the probe, was established to illustrate the torsion angle of the tip. The formation of bundle structures was determined by a critical friction force, and a stick-slip process was used to explain the formation mechanism. The influence of the scratching parameters, including the scratching angles, normal loads, velocities, and feed values, on the amplitude and wavelength of the bundle structures was studied. These results can provide guidance for the fabrication of higher quality bundle structures on a polymer sample surface.

引用

页数：10

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