書誌事項
- タイトル別名
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- Numerical Simulation of Thermo-Viscoelastic Behavior of Polypropylene by Molecular Dynamics
- ブンシ ドウリキガクホウ ニ ヨル ポリプロピレン ノ ネツネンダンセイ キョドウ ノ スウチ シミュレーション
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抄録
Generally, polymer materials such as polypropylene shows a strong time and temperature dependence (viscoelastic behavior). It is reported that deformation could be predict by applying time–temperature superposition principle to long-term viscoelastic behavior. In this study, whether time–temperature superposition principle completed in deformation was checked using a molecular dynamics. Therefore, stress-relaxation test and constant strain rate tensile test were employed for amorphous polypropylene by molecular dynamics. Stress-relaxation tests were performed in 5 temperature standards, and relaxation moduli were gotten. Using the results, master curve was drawn, and shift factor were gotten. Next, the constant strain rate tensile tests were performed in 4 strain speed and 5 temperature standards. The results agree well with the theory curve that demanded from the parameter mentioned above, and Arrhenius equation was applied between temperature–time. Furthermore, the temperature dependence of the volume was checked, and a flexural point was occurred in shift factor. This flexure point almost accorded with a glass transition point (307[K]). It was suggested that time–temperature superposition principle completed in the small transformation of polymer materials.
収録刊行物
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- 日本複合材料学会誌
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日本複合材料学会誌 42 (2), 82-87, 2016
一般社団法人 日本複合材料学会
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詳細情報 詳細情報について
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- CRID
- 1390001204621925120
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- NII論文ID
- 130005549338
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- NII書誌ID
- AN00196748
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- ISSN
- 18848559
- 03852563
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- NDL書誌ID
- 027237947
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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