Simple method for obtaining viscoelastic parameters of polymeric materials by incorporating physical-Aging effects

Yoshihiko Arao, Okudoi Yukie, Jun Koyanagi, Shin Ichi Takeda, Hiroyuki Kawada

    Research output: Contribution to journalArticle

    9 Citations (Scopus)

    Abstract

    A simple method for obtaining viscoelastic parameters from the results of static tensile tests is presented herein. Viscoelastic parameters were obtained by fitting experimental results and calculated results based on the power law model and linear viscoelasticity. The static tensile tests were carried out at various pre-Aging times and the effect of physical aging was determined. The data confirmed that the physical aging process has a significant effect on the viscoelastic behavior. A creep test was conducted in order to discuss the validity of the prediction using the results of the static tensile test. It was confirmed that the predictions based on the viscoelastic parameters obtained from static tensile tests cannot adequately model actual viscoelastic behavior. The effective time theory was incorporated into the prediction in order to account for the progress of physical aging. It was verified that incorporating effective time theory into the prediction allows for the precise prediction of the long-Term viscoelastic behavior.

    Original languageEnglish
    Pages (from-to)169-180
    Number of pages12
    JournalMechanics of Time-Dependent Materials
    Volume16
    Issue number2
    DOIs
    Publication statusPublished - 2012 May

    Fingerprint

    Aging of materials
    Polymers
    Viscoelasticity
    Creep

    Keywords

    • Long-Term prediction
    • Physical aging
    • PMC
    • Viscoelastic

    ASJC Scopus subject areas

    • Materials Science(all)
    • Chemical Engineering(all)
    • Mechanical Engineering
    • Aerospace Engineering

    Cite this

    Simple method for obtaining viscoelastic parameters of polymeric materials by incorporating physical-Aging effects. / Arao, Yoshihiko; Yukie, Okudoi; Koyanagi, Jun; Takeda, Shin Ichi; Kawada, Hiroyuki.

    In: Mechanics of Time-Dependent Materials, Vol. 16, No. 2, 05.2012, p. 169-180.

    Research output: Contribution to journalArticle

    Arao, Yoshihiko ; Yukie, Okudoi ; Koyanagi, Jun ; Takeda, Shin Ichi ; Kawada, Hiroyuki. / Simple method for obtaining viscoelastic parameters of polymeric materials by incorporating physical-Aging effects. In: Mechanics of Time-Dependent Materials. 2012 ; Vol. 16, No. 2. pp. 169-180.
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