Measurement of brittle fracture energy in PMMA (2nd report, application of high-speed extensometer)

Kazuo Arakawa, Toshio Mada

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Brittle fracture behavior of PMMA was studied using a high-speed extensometer. The single-edge-notched tensile specimens were fractured with a special loading jig so that it could split and fly away after the fracture. The load and displacement diagram, i.e. the external work applied to the specimen was partitioned into three parts: the elastic energy left in the fracutured specimen, the nonelastic energy due to viscoplastic deformation and the fracture energy for creating new surfaces. These energies were then determined and correlated with the fracture load and external work, and the results were discussed.

Original languageEnglish
Pages (from-to)936-940
Number of pages5
JournalNippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume70
Issue number7
Publication statusPublished - Jul 1 2004

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Dilatometers
Fracture energy
Brittle fracture
Polymethyl Methacrylate
Jigs

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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AB - Brittle fracture behavior of PMMA was studied using a high-speed extensometer. The single-edge-notched tensile specimens were fractured with a special loading jig so that it could split and fly away after the fracture. The load and displacement diagram, i.e. the external work applied to the specimen was partitioned into three parts: the elastic energy left in the fracutured specimen, the nonelastic energy due to viscoplastic deformation and the fracture energy for creating new surfaces. These energies were then determined and correlated with the fracture load and external work, and the results were discussed.

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