Static atomistic simulations of nanoindentation and determination of nanohardness

Yeau-Ren Jeng, Chung Ming Tan

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

This paper develops a nonlinear finite element formulation to analyze nanoindentation using an atomistic approach, which is conducive to observing the deformation mechanisms associated with the nanoindentation cycle. The simulation results of the current modified finite element formulation indicate that the microscopic plastic deformations of the thin film are caused by instabilities of the crystalline structure, and that the commonly used procedure for estimating the contact area in nanoindentation testing is invalid when the indentation size falls in the nanometer regime.

Original languageEnglish
Pages (from-to)738-743
Number of pages6
JournalJournal of Applied Mechanics, Transactions ASME
Volume72
Issue number5
DOIs
Publication statusPublished - 2005 Sep 1

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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