Computer simulation of phase structure and mechanical properties of polymer mixtures

Takaaki Matsuoka, Satoru Yamamoto

研究成果: ジャーナルへの寄稿学術誌査読

9 被引用数 (Scopus)

抄録

Computer programs have been developed to predict phase separation, flow-induced phase structure, and structure-dependent mechanical properties of binary polymer mixtures. The phase separation is simulated by solving a two-dimensional Langevin equation with Flory-Huggins free energy using the finite difference method under periodic boundary conditions. The change of phase structure due to flow is predicted by adding a shear flow term to the equation. By generating a finite element mesh from the calculated phase structure, the stress analysis is carried out for estimating the mechanical properties of the system using the finite element method. The elastic modulus and thermal expansion coefficient based on the phase structure were numerically investigated for various volume fractions and properties of components using the developed programs.

本文言語英語
ページ(範囲)807-813
ページ数7
ジャーナルJournal of Applied Polymer Science
68
5
DOI
出版ステータス出版済み - 5月 2 1998
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 表面、皮膜および薄膜
  • ポリマーおよびプラスチック
  • 材料化学

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