Dynamic Effects on Fracture Surface Formation in Brittle Polymers (2nd Report, Examination of Surface Markings)

Kazuo Arakawa, Kiyoshi Takahashi

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

The dynamic fracture surface formation of PMMA and epoxy was studied. Fracture parameters such as crack velocity a and crack extension resistance R∗ were obtained by high-speed photography of fracture caustic images. The density of surface marking was also obtained by examination of the fracture surfaces. Correlations between the density,μ and the fracture parameters have shown that, although μ depends on a or on R∗, μ is not a unique function of one of those parameters. It is found that μ has the best correlation with the product R∗-d, i. e. dissipated energy per unit crack front and unit time.

本文言語英語
ページ(範囲)2128-2133
ページ数6
ジャーナルTransactions of the Japan Society of Mechanical Engineers Series A
53
495
DOI
出版ステータス出版済み - 1987

All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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