Fabrication of nanoscale speckle using broad ion beam milling on polymers for deformation analysis

Qinghua Wang, Satoshi Kishimoto, Yoshihisa Tanaka, Kimiyoshi Naito

Research output: Contribution to journalLetterpeer-review

3 Citations (Scopus)


We first report a fabrication technique of nanoscale speckle patterns on polymers using broad ion beam milling. The proposed technique is simple and low-cost to produce speckles ranging from dozens of nanometers to less than three micrometers in a large area of several millimeters. Random patterns were successfully produced with an argon (Ar) ion beam on the surfaces of four kinds of polymers: the epoxy matrix of carbon fiber reinforced plastic, polyester, polyvinyl formal-acetal, and polyimide. The speckle morphologies slightly vary with different polymers. The fabricated speckle patterns have good time stability and are promising to be used to measure the nanoscale deformations of polymers using the digital image correlation method.

Original languageEnglish
Pages (from-to)157-161
Number of pages5
JournalTheoretical and Applied Mechanics Letters
Issue number4
Publication statusPublished - 2016 Jul 1
Externally publishedYes


  • Deformation
  • Digital image correlation
  • Ion beam milling
  • Nanoscale speckle
  • Polymer

ASJC Scopus subject areas

  • Computational Mechanics
  • Environmental Engineering
  • Civil and Structural Engineering
  • Biomedical Engineering
  • Aerospace Engineering
  • Ocean Engineering
  • Mechanics of Materials
  • Mechanical Engineering


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