Dynamic effect on impact tensile fracture behavior of PMMA resin

Kazuo Arakawa, Masaru Kato, Toshio Mada, Mitsugu Todo

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

The fracture behavior of a brittle polymer, polymethyl methacrylate (PMMA) resin, under static and impact tensile loadings was studied using single-edge-cracked specimens. The impact load and displacement were measured with a Piezo sensor and a high-speed extensometer, respectively. The load and displacement diagram, i.e., the external work Uex applied to the specimen was used to determine the elastic energy Ee and non-elastic energy En due to viscoelastic and plastic deformation, and the fracture energy Ef for creating new fracture surface As. The energy-release rate was then estimated using Gf = E f/As. The values of Ee, En, E f and Gf were correlated with the fracture loads, and the two results determined for the static and impact loadings were compared to study the effect of loading conditions.

本文言語英語
ページ(範囲)374-379
ページ数6
ジャーナルZairyo/Journal of the Society of Materials Science, Japan
57
4
DOI
出版ステータス出版済み - 4 2008

All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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