Coupled effect of scratching direction and speed on nano-scratching behavior of single crystalline copper

Jinxuan Zhu, Cenbo Xiong*, Li Ma, Qinghua Zhou, Yanyan Huang, Bo Zhou, Jiaxu Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

The exhibited friction and wear performance of materials are closely related to scratching direction and speed at grain level. A crystal plasticity finite element model simulating nano-scratching process is developed. Experimental results of nano-indentation and nano-scratching are in well agreement with corresponding simulation results. Significant effect of scratching direction and speed on the friction and wear performance of single crystalline copper is observed. Specifically, simulation study reveals that scratching along the [110] direction is conducive to reducing the wear of (001)-oriented single crystalline copper, increasing ploughing coefficient in the meanwhile. The wear performance is improved with the increase in scratching speed, and the ploughing coefficient decreases as scratching speed increases.

Original languageEnglish
Article number106385
JournalTribology International
Volume150
DOIs
Publication statusPublished - Oct 2020
Externally publishedYes

Keywords

  • CPFEM
  • Nano-scratching
  • Single crystalline copper
  • Wear

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