Strain mapping with high spatial resolution across a wide observation range by digital image correlation on plastic replicas

Shigeru Hamada, Tomoya Fujisawa, Motomichi Koyama, Norimitsu Koga, Nobuo Nakada, Toshihiro Tsuchiyama, Masaharu Ueda, Hiroshi Noguchi

研究成果: Article査読

15 被引用数 (Scopus)

抄録

In this study, a one-step replica method was applied at 0, 3, and 7% plastic strains in pearlitic steel. A microstructural digital image correlation was then performed on acetyl cellulose plastic replica surface images to obtain high spatial resolution strain maps across a wide observation range. In order to validate the digital image correlation on the replica, digital image correlation was also conducted on the chemically etched sample surface. Although the digital image correlation results were affected by replica shrinkage, its effect could be corrected by a simple experimental equation relating the shrinkage ratio dependence on the solvent immersion time. Reproducible strain maps were obtained for the plastic replica for any macroscopic strain, strain components, or degree of microscopic strain localization.

本文言語English
ページ(範囲)140-146
ページ数7
ジャーナルMaterials Characterization
98
DOI
出版ステータスPublished - 2014 1 1
外部発表はい

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

フィンガープリント 「Strain mapping with high spatial resolution across a wide observation range by digital image correlation on plastic replicas」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル