Unloading behavior of polymers due to dynamic crack propagation (2nd Report, Case of PMMA and Homalite-100)

Kazuo Arakawa; Daisuke Nagoh; Kiyoshi Takahashi

doi:10.1299/kikaia.64.2294

Unloading behavior of polymers due to dynamic crack propagation (2nd Report, Case of PMMA and Homalite-100)

Kazuo Arakawa
, Daisuke Nagoh
, Kiyoshi Takahashi

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

1 被引用数 (Scopus)

抄録

Dynamic stress intensity factor K_1D and crack velocity ȧ were determined using single-edge-cracked tensile specimens of PMMA and Homalite-100. To study unloading behavior of the material, load P applied to the specimen was also evaluated as a function of time t. Unloading rate Ṗ, the time derivative of P, was determined to correlate with K_1D and ȧ. The findings showed that the change in Ṗ was qualitatively in accord with the change in K_1D or ȧ. However, there existed slight differences among the values of t giving peak values of Ṗ, K _1D and ȧ, so that their order was ȧ, Ṗ and K _1d.

本文言語	英語
ページ（範囲）	2294-2299
ページ数	6
ジャーナル	Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
巻	64
号	625
DOI	https://doi.org/10.1299/kikaia.64.2294
出版ステータス	出版済み - 1998

!!!All Science Journal Classification (ASJC) codes

材料科学一般
材料力学
機械工学

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Unloading behavior of polymers due to dynamic crack propagation (2nd Report, Case of PMMA and Homalite-100). / Arakawa, Kazuo; Nagoh, Daisuke; Takahashi, Kiyoshi.
In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 64, No. 625, 1998, p. 2294-2299.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

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PY - 1998

Y1 - 1998

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AB - Dynamic stress intensity factor K1D and crack velocity ȧ were determined using single-edge-cracked tensile specimens of PMMA and Homalite-100. To study unloading behavior of the material, load P applied to the specimen was also evaluated as a function of time t. Unloading rate Ṗ, the time derivative of P, was determined to correlate with K1D and ȧ. The findings showed that the change in Ṗ was qualitatively in accord with the change in K1D or ȧ. However, there existed slight differences among the values of t giving peak values of Ṗ, K 1D and ȧ, so that their order was ȧ, Ṗ and K 1d.

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Unloading behavior of polymers due to dynamic crack propagation (2nd Report, Case of PMMA and Homalite-100)

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!!!All Science Journal Classification (ASJC) codes

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