Fracture behavior of a brittle polymer under impact tensile loading

Kazuo Arakawa; Toshio Mada; Mitsugu Todo; Jun Takahashi; Susumu Ooka

doi:10.1299/kikaia.72.1556

Fracture behavior of a brittle polymer under impact tensile loading

Kazuo Arakawa, Toshio Mada, Mitsugu Todo, Jun Takahashi, Susumu Ooka

Research output: Contribution to journal › Article › peer-review

Abstract

Brittle fracture behavior of MBS resin under impact tensile loading was studied using single-edge-cracked specimens. The dynamic load and displacement were measured using a piezo sensor and a high-speed extensometer, respectively. The load and displacement diagram, i.e. the external work U_ex applied to the specimen was used to determine the elastic energy E_e and the fracture energy E_f for creating a new fracture surface A_s. Energy release rates were then estimated using G_t = U _ex/A_s and G_f=E_f/A_s. The values of G_t and G_f were correlated with the fracture loads and the mean crack velocities determined from the load and time relationships.

Original language	English
Pages (from-to)	1556-1560
Number of pages	5
Journal	Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume	72
Issue number	10
DOIs	https://doi.org/10.1299/kikaia.72.1556
Publication status	Published - Oct 2006

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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abstract = "Brittle fracture behavior of MBS resin under impact tensile loading was studied using single-edge-cracked specimens. The dynamic load and displacement were measured using 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 the fracture energy Ef for creating a new fracture surface As. Energy release rates were then estimated using Gt = U ex/As and Gf=Ef/As. The values of Gt and Gf were correlated with the fracture loads and the mean crack velocities determined from the load and time relationships.",

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AU - Arakawa, Kazuo

AU - Mada, Toshio

AU - Todo, Mitsugu

AU - Takahashi, Jun

AU - Ooka, Susumu

PY - 2006/10

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AB - Brittle fracture behavior of MBS resin under impact tensile loading was studied using single-edge-cracked specimens. The dynamic load and displacement were measured using 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 the fracture energy Ef for creating a new fracture surface As. Energy release rates were then estimated using Gt = U ex/As and Gf=Ef/As. The values of Gt and Gf were correlated with the fracture loads and the mean crack velocities determined from the load and time relationships.

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Fracture behavior of a brittle polymer under impact tensile loading

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