The effect of viscoelasticity on the extrusion drawing in film-casting process

Seiji Shiromoto, Yasushi Masutani, Masaaki Tsutsubuchi, Yoshiaki Togawa, Toshihisa Kajiwara

研究成果: ジャーナルへの寄稿記事

20 引用 (Scopus)

抄録

The governing rheological property for extrusion drawing in film-casting process is proposed in this study. The experiment of film-casting process using the high-pressure process low-density polyethylene (LDPE) was performed. The non-isothermal viscoelastic simulation of the film casting experiment was also carried out to explain the experimental results. Film width reduction phenomenon in an air gap, so-called neck-in behavior, was investigated by using the simulation of the LDPE and the model fluids exhibiting specific viscoelasticity. The neck-in phenomenon was also examined using theoretical model based on force balance and deformation type of a film. As a result, the neck-in normalized by the air gap was in good correlation with the ratio of planar to uniaxial elongational viscosity rather than the strain hardening nature of uniaxial elongational viscosity.

元の言語英語
ページ(範囲)757-767
ページ数11
ジャーナルRheologica Acta
49
発行部数7
DOI
出版物ステータス出版済み - 4 28 2010

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viscoelasticity
Viscoelasticity
Extrusion
Casting
Low density polyethylenes
Polyethylene
polyethylenes
Viscosity
viscosity
strain hardening
air
Air
Strain hardening
simulation
Experiments
Fluids
fluids

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

これを引用

The effect of viscoelasticity on the extrusion drawing in film-casting process. / Shiromoto, Seiji; Masutani, Yasushi; Tsutsubuchi, Masaaki; Togawa, Yoshiaki; Kajiwara, Toshihisa.

:: Rheologica Acta, 巻 49, 番号 7, 28.04.2010, p. 757-767.

研究成果: ジャーナルへの寄稿記事

Shiromoto, Seiji ; Masutani, Yasushi ; Tsutsubuchi, Masaaki ; Togawa, Yoshiaki ; Kajiwara, Toshihisa. / The effect of viscoelasticity on the extrusion drawing in film-casting process. :: Rheologica Acta. 2010 ; 巻 49, 番号 7. pp. 757-767.
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