Fatigue Strength of Plain and Notched Specimens of Thermoplastics. (In The Case of Polyetheretherketone)

Hironobu Nisitani, Hiroshi Noguchi, Terutaka Yamaguchi, Yun Hae Kim

Research output: Contribution to journalArticle

Abstract

In this paper, rotating-bending fatigue tests for polyetheretherketone (PEEK) were carried out to investigate the fatigue characteristics of plain and notched specimens at room temperature. The results were discussed using linear notch mechanics. In the case of the plain specimen, fracture always occurs from defects and the crack growth rate is very high. The fatigue crack initiation of this material is of the point-initiation type and the fatigue strangth is very sensitive to a notch. The fatigue strength of an arbitrarily notched specimen of this material will be estimated from the present results rearranged based on linear notch mechanics.

Original languageEnglish
Pages (from-to)1695-1699
Number of pages5
JournalTransactions of the Japan Society of Mechanical Engineers Series A
Volume57
Issue number540
DOIs
Publication statusPublished - Jan 1 1991

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Thermoplastics
Fatigue of materials
Mechanics
Crack initiation
Crack propagation
Defects
polyetheretherketone
Fatigue strength
Temperature
Fatigue cracks

All Science Journal Classification (ASJC) codes

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

Cite this

Fatigue Strength of Plain and Notched Specimens of Thermoplastics. (In The Case of Polyetheretherketone). / Nisitani, Hironobu; Noguchi, Hiroshi; Yamaguchi, Terutaka; Kim, Yun Hae.

In: Transactions of the Japan Society of Mechanical Engineers Series A, Vol. 57, No. 540, 01.01.1991, p. 1695-1699.

Research output: Contribution to journalArticle

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