Fatigue analyses of short glass fibre-reinforced nylon 6 on the basis of dynamic viscoelastic measurements under cyclic fatigue

A. Yamashita; S. Higashi; S. T. Komatsu; A. Takahara; T. Kajiyama

Fatigue analyses of short glass fibre-reinforced nylon 6 on the basis of dynamic viscoelastic measurements under cyclic fatigue

A. Yamashita, S. Higashi, S. T. Komatsu, A. Takahara, T. Kajiyama

Department of Applied Molecular Chemistry

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

10 Citations (Scopus)

Abstract

Fatigue behaviors of glass fiber-reinforced Nylon 6 were studied based on dynamic viscoelastic measurements during the fatigue process. The fatigue strength of glass fiber reinforced Nylon 6 was greatly improved by strengthening the interfacial adhesion between glass fiber and matrix polymers. The heat generation rate under cyclic fatigue for Nylon 6 reinforced with surface-unmodified short glass fiber was always larger than that reinforced with surface-modified short glass fiber because of the large net imposed strain amplitude to the matrix polymers. This might be attributed to the interfacial debonding under cyclic fatigue. A fatigue fracture criterion based on the magnitude of hysteresis energy loss being consumed for a structural change was established for the (Nylon 6/short glass fiber) composites in consideration of glass fiber-matrix polymer interfacial interaction.

Original language	English
Pages (from-to)	147-154
Number of pages	8
Journal	Key Engineering Materials
Volume	137
Publication status	Published - Dec 1 1998

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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title = "Fatigue analyses of short glass fibre-reinforced nylon 6 on the basis of dynamic viscoelastic measurements under cyclic fatigue",

abstract = "Fatigue behaviors of glass fiber-reinforced Nylon 6 were studied based on dynamic viscoelastic measurements during the fatigue process. The fatigue strength of glass fiber reinforced Nylon 6 was greatly improved by strengthening the interfacial adhesion between glass fiber and matrix polymers. The heat generation rate under cyclic fatigue for Nylon 6 reinforced with surface-unmodified short glass fiber was always larger than that reinforced with surface-modified short glass fiber because of the large net imposed strain amplitude to the matrix polymers. This might be attributed to the interfacial debonding under cyclic fatigue. A fatigue fracture criterion based on the magnitude of hysteresis energy loss being consumed for a structural change was established for the (Nylon 6/short glass fiber) composites in consideration of glass fiber-matrix polymer interfacial interaction.",

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T1 - Fatigue analyses of short glass fibre-reinforced nylon 6 on the basis of dynamic viscoelastic measurements under cyclic fatigue

AU - Yamashita, A.

AU - Higashi, S.

AU - Komatsu, S. T.

AU - Takahara, A.

AU - Kajiyama, T.

PY - 1998/12/1

Y1 - 1998/12/1

N2 - Fatigue behaviors of glass fiber-reinforced Nylon 6 were studied based on dynamic viscoelastic measurements during the fatigue process. The fatigue strength of glass fiber reinforced Nylon 6 was greatly improved by strengthening the interfacial adhesion between glass fiber and matrix polymers. The heat generation rate under cyclic fatigue for Nylon 6 reinforced with surface-unmodified short glass fiber was always larger than that reinforced with surface-modified short glass fiber because of the large net imposed strain amplitude to the matrix polymers. This might be attributed to the interfacial debonding under cyclic fatigue. A fatigue fracture criterion based on the magnitude of hysteresis energy loss being consumed for a structural change was established for the (Nylon 6/short glass fiber) composites in consideration of glass fiber-matrix polymer interfacial interaction.

AB - Fatigue behaviors of glass fiber-reinforced Nylon 6 were studied based on dynamic viscoelastic measurements during the fatigue process. The fatigue strength of glass fiber reinforced Nylon 6 was greatly improved by strengthening the interfacial adhesion between glass fiber and matrix polymers. The heat generation rate under cyclic fatigue for Nylon 6 reinforced with surface-unmodified short glass fiber was always larger than that reinforced with surface-modified short glass fiber because of the large net imposed strain amplitude to the matrix polymers. This might be attributed to the interfacial debonding under cyclic fatigue. A fatigue fracture criterion based on the magnitude of hysteresis energy loss being consumed for a structural change was established for the (Nylon 6/short glass fiber) composites in consideration of glass fiber-matrix polymer interfacial interaction.

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