Scratch behavior of reinforced HDPE through molecular dynamics simulations

被引：0

作者：

Simoes, Ricardo ^{[1
,2
]}

Oliveira, Marta ^{[1
]}

Yao, Jocelyn ^{[3
]}

Tian, Chris ^{[3
]}

Mirkhalaf, S. M. ^{[4
]}

Brostow, Witold ^{[3
]}

机构：

[1] Polytech Inst Cavado & Ave IPCA, Campus IPCA, P-4750810 Barcelos, Portugal

[2] Univ Minho, Inst Polymers & Composites IPC I3N, Campus Azurem, P-4800058 Guimaraes, Portugal

[3] Univ North Texas, Dept Mat Sci & Engn, Lab Adv Polymers & Optimized Mat LAPOM, Denton, TX 76207 USA

[4] Univ Gothenburg, Dept Phys, Gothenburg, Sweden

来源：

MRS COMMUNICATIONS | 2021年 / 11卷 / 05期

关键词：

WEAR BEHAVIOR; POLYMERS; COMPOSITES; PREDICTION;

D O I：

10.1557/s43579-021-00085-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

To better understand the tribological behavior of polymer-based materials under scratching, we studied the effect of including a second phase in the form of liquid-crystalline (LC) islands in an amorphous matrix emulating high-density polyethylene. We employ molecular dynamics computer simulations with a coarse-grain model. The effects of the indenter diameter and force magnitude on the tribological properties (scratch resistance) were evaluated. The LC islands have a significant effect on the scratching depth, more significantly from 10 to 20% than from 0 to 10% concentration, and that the influence of the second phase is more pronounced for larger indenters and lower forces.

引用

页码：628 / 634

页数：7

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