INFLUENCE OF DIE DESIGN ON INTERFACIAL INSTABILITIES IN COEXTRUSION

机译：模具设计对共挤中界面不稳定性的影响

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Fully viscoelastic FEM together with flow visualization technique are employed to quantify the effect of the die design on the wave type of interfacial instabilities in coextrusion. It has been shown experimentally that the minor channel geometry has a strong impact on the wave type of interfacial instabilities and the results can be correlated through novel criteria called as Total Stress Difference (TSN), which takes in to account the bulk change of the total stress in normal as well as tangential direction with respect to the interface.

机译：全粘弹性有限元与流动可视化技术一起用于量化模具设计对共挤中界面不稳定性的波动类型的影响。实验表明，较小的通道几何形状对界面不稳定性的波动类型有很大的影响，并且可以通过称为总应力差（TSN）的新标准来关联结果，该标准考虑了总应力差相对于界面的法向和切线方向的应力。

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来源
《Society of Plastics Engineers Annual Technical Conference 2005(ANTEC 2005) vol.1; 20050501-05; Boston,MA(US)》|2005年|P.86-90|共5页
会议地点 BostonMA(US)
作者
M. Zatloukal; M.T. Martyn; P.D. Coates; J. Vlcek;
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作者单位

Polymer Centre, Faculty of Technology, Tomas Bata University in Zlin, Zlin, Czech Republic;

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会议组织
原文格式 PDF
正文语种 eng
中图分类合成树脂与塑料工业;
关键词
coextrusion; modeling; viscoelasticity;

机译：共挤出;建模;粘弹性;

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专利

1. Viscoelastic stress calculation in multi-layer coextrusion dies: die design and extensional viscosity effects on the onset of 'wave' interfacial instabilities [J] . M.Zatloukal, J.Vlcek, C.Tzoganakis, Polymer engineering and science . 2002,第7期

机译：多层共挤模具中的粘弹性应力计算：模具设计和拉伸粘度对“波”界面不稳定性发生的影响
2. Influence of coextrusion die channel height on interfacial instability of low density polyethylene melt flow [J] . M. T. Martyn, P. D. Coates, M. Zatloukal Plastics, Rubber and Composites . 2014,第1期

机译：共挤模头通道高度对低密度聚乙烯熔体流动界面不稳定性的影响
3. Experimental Investigation of the Development of Interfacial Instabilities in Two Layer Coextrusion Dies [J] . R.Valette, P.Laure, Y.Demary, International Polymer Processing: The Journal of the Polymer Processing Society . 2004,第2期

机译：两层共挤模具界面不稳定性发展的实验研究
4. VISCOELASTIC COEXTRUSION FLOW MODELING BY ADVANCED CONSTITUTIVE EQUATIONS: THE INFLUENCE OF THE DIE DESIGN ON INTERFACIAL INSTABILITIES [C] . Martin Zatloukal, Mike Martyn, Jiri Vlcek, TAPPI PLACE conference . 2010

机译：先进本构方程的粘弹共挤流动模型：模具设计对界面不稳定性的影响
5. Two studies in hydrodynamic stability: Interfacial instabilities and applications of bounding theory. [D] . Mandre, Shreyas. 2006

机译：关于水动力稳定性的两项研究：界面不稳定性和边界理论的应用。
6. Chemical Theory and Computation Special Feature: Interfacial folding and membrane insertion of designed peptides studied by molecular dynamics simulations [O] . Wonpil Im, Charles L. Brooks III 2005

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7. Numerical simulation of polyester coextrusion: Influence of the thermal parameters and the die geometry on interfacial instabilities [O] . Mahdaoui Omar, Agassant Jean-François, Laure Patrice, 2007

机译：聚酯共挤出的数值模拟：热参数和模具几何形状对界面不稳定性的影响

INFLUENCE OF DIE DESIGN ON INTERFACIAL INSTABILITIES IN COEXTRUSION

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