On the dynamic fracture behavior of brittle polymers under pin-loading

K. Arakawa; T. Mada; K. Takahashi

doi:10.1299/jsmea.44.431

On the dynamic fracture behavior of brittle polymers under pin-loading

K. Arakawa, T. Mada, K. Takahashi

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

1 Citation (Scopus)

Abstract

Dynamic crack propagation and unloading behaviors of epoxy and PMMA were studied using the method of caustics. Single-edge-cracked tensile specimens were pinloaded so that cracks could undergo both the acceleration and the deceleration process in one fracture event. The effect of loading position H₁ was examined by measuring the stress intensity factor K_ID, crack velocity a and load P as a function of time t. Unloading rate P, time derivative of P, was also evaluated to examine correlation with the time variations of K_ID and a. The results showed that H₁ was an important factor in the change of behaviors of K_ID, a, P and P.

Original language	English
Pages (from-to)	431-437
Number of pages	7
Journal	JSME International Journal, Series A: Solid Mechanics and Material Engineering
Volume	44
Issue number	3
DOIs	https://doi.org/10.1299/jsmea.44.431
Publication status	Published - Jul 2001

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanical Engineering

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10.1299/jsmea.44.431

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title = "On the dynamic fracture behavior of brittle polymers under pin-loading",

abstract = "Dynamic crack propagation and unloading behaviors of epoxy and PMMA were studied using the method of caustics. Single-edge-cracked tensile specimens were pinloaded so that cracks could undergo both the acceleration and the deceleration process in one fracture event. The effect of loading position H1 was examined by measuring the stress intensity factor KID, crack velocity a and load P as a function of time t. Unloading rate P, time derivative of P, was also evaluated to examine correlation with the time variations of KID and a. The results showed that H1 was an important factor in the change of behaviors of KID, a, P and P.",

author = "K. Arakawa and T. Mada and K. Takahashi",

year = "2001",

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AU - Mada, T.

AU - Takahashi, K.

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N2 - Dynamic crack propagation and unloading behaviors of epoxy and PMMA were studied using the method of caustics. Single-edge-cracked tensile specimens were pinloaded so that cracks could undergo both the acceleration and the deceleration process in one fracture event. The effect of loading position H1 was examined by measuring the stress intensity factor KID, crack velocity a and load P as a function of time t. Unloading rate P, time derivative of P, was also evaluated to examine correlation with the time variations of KID and a. The results showed that H1 was an important factor in the change of behaviors of KID, a, P and P.

AB - Dynamic crack propagation and unloading behaviors of epoxy and PMMA were studied using the method of caustics. Single-edge-cracked tensile specimens were pinloaded so that cracks could undergo both the acceleration and the deceleration process in one fracture event. The effect of loading position H1 was examined by measuring the stress intensity factor KID, crack velocity a and load P as a function of time t. Unloading rate P, time derivative of P, was also evaluated to examine correlation with the time variations of KID and a. The results showed that H1 was an important factor in the change of behaviors of KID, a, P and P.

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On the dynamic fracture behavior of brittle polymers under pin-loading

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